APA aipamena

Hansen, A. P. (1994). Symbiotic N2 Fixation of Crop Legumes: Achievements and perspectives. Neunkirchen, Germany: Margraf Verlag.

Chicago Style aipamena

Hansen, Alexander P. Symbiotic N2 Fixation of Crop Legumes: Achievements and Perspectives. Neunkirchen, Germany: Margraf Verlag, 1994.

MLA aipamena

Hansen, Alexander P. Symbiotic N2 Fixation of Crop Legumes: Achievements and Perspectives. Neunkirchen, Germany: Margraf Verlag, 1994.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.