Wagner, W., & Geyh, M. A. [ca. 1999]. Application of environmental isotope methods for groundwater studies in the ESCWA region (Economic and Social Commission for Western Asia). In Geologisches Jahrbuch. Reihe C, Hydrogeologie, Ingenieurgeologie [Book]. Stuttgart: Schweizerbart.
ISO-690 (author-date, English)WAGNER, Wolfgang und GEYH, Mebus A., 1999. Application of environmental isotope methods for groundwater studies in the ESCWA region (Economic and Social Commission for Western Asia). Stuttgart: Schweizerbart. Geologisches Jahrbuch. Reihe C, Hydrogeologie, Ingenieurgeologie, 67. ISBN 3510958551.
Modern Language Association 9th editionWagner, W., und M. A. Geyh. „Application of environmental isotope methods for groundwater studies in the ESCWA region (Economic and Social Commission for Western Asia)“. Geologisches Jahrbuch. Reihe C, Hydrogeologie, Ingenieurgeologie, book, Schweizerbart, 1999.
Mohr Siebeck - Recht (Deutsch - Österreich)Wagner, Wolfgang/Geyh, Mebus A.: Application of environmental isotope methods for groundwater studies in the ESCWA region (Economic and Social Commission for Western Asia), . Geologisches Jahrbuch. Reihe C, Hydrogeologie, Ingenieurgeologie, Stuttgart 1999.
Emerald - HarvardWagner, W. und Geyh, M.A. (1999), Application of environmental isotope methods for groundwater studies in the ESCWA region (Economic and Social Commission for Western Asia), Geologisches Jahrbuch. Reihe C, Hydrogeologie, Ingenieurgeologie, Bd. , Schweizerbart, Stuttgart.