Grüninger, M. [ca. 2001]. The socio economic impact of soil degradation on upland farming systems in West Sumatra, Indonesia. In Farming and rural systems economics [Book]. Kiel: Wiss.-Verl. Vauk.
ISO-690 (author-date, English)GRÜNINGER, Matthias, 2001. The socio economic impact of soil degradation on upland farming systems in West Sumatra, Indonesia. Kiel: Wiss.-Verl. Vauk. Farming and rural systems economics, 101. ISBN 3817503288.
Modern Language Association 9th editionGrüninger, M. „The socio economic impact of soil degradation on upland farming systems in West Sumatra, Indonesia“. Farming and rural systems economics, book, Wiss.-Verl. Vauk, 2001.
Mohr Siebeck - Recht (Deutsch - Österreich)Grüninger, Matthias: The socio economic impact of soil degradation on upland farming systems in West Sumatra, Indonesia, . Farming and rural systems economics, Kiel 2001.
Emerald - HarvardGrüninger, M. (2001), The socio economic impact of soil degradation on upland farming systems in West Sumatra, Indonesia, Farming and rural systems economics, Bd. , Wiss.-Verl. Vauk, Kiel.