APA aipamena

Ossenbach, C., & Jenny, R. (2019). Rudolf Schlechter's South-American orchids I. Historical and bibliographical background.

Chicago Style aipamena

Ossenbach, Carlos, y Rudolf Jenny. Rudolf Schlechter's South-American Orchids I. Historical and Bibliographical Background. 2019.

MLA aipamena

Ossenbach, Carlos, y Rudolf Jenny. Rudolf Schlechter's South-American Orchids I. Historical and Bibliographical Background. 2019.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.