Hwang, F. K., Richards, D. S., & Winter, P. [ca. 1992]. The Steiner tree problem. In Annals of discrete mathematics [Cd]. Amsterdam: North-Holland.
ISO-690 (author-date, English)HWANG, Frank K., RICHARDS, Dana S. und WINTER, Pawel, 1992. The Steiner tree problem. Amsterdam: North-Holland. ISBN 9780080867939.
Modern Language Association 9th editionHwang, F. K., D. S. Richards, und P. Winter. „The Steiner tree problem“. Annals of discrete mathematics, cd, North-Holland, 1992.
Mohr Siebeck - Recht (Deutsch - Österreich)Hwang, Frank K./Richards, Dana S./Winter, Pawel: The Steiner tree problem, Amsterdam 1992.
Emerald - HarvardHwang, F.K., Richards, D.S. und Winter, P. (1992), The Steiner tree problem, Annals of discrete mathematics, Bd. , North-Holland, Amsterdam.
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