Welt-Orchideen-Konferenz - 8th World Orchid Conference.

MLA

Senghas, Karlheinz. Welt-orchideen-konferenz - 8th World Orchid Conference. Frankfurt a/Main: Deutschen Orchideen-Gesellschaft, 1975.

APA

Senghas, K. (1975). Welt-Orchideen-Konferenz - 8th World Orchid Conference. Frankfurt a/Main: Deutschen Orchideen-Gesellschaft.

Chicago

Senghas, Karlheinz Welt-Orchideen-Konferenz - 8th World Orchid Conference. Frankfurt a/Main: Deutschen Orchideen-Gesellschaft, 1975.