APA aipamena

(1987). Diagnosis, design and analysis in farming systems research and extension. Florida: FSSP.

Chicago Style aipamena

Diagnosis, Design and Analysis in Farming Systems Research and Extension. Florida: FSSP, 1987.

MLA aipamena

Diagnosis, Design and Analysis in Farming Systems Research and Extension. Florida: FSSP, 1987.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.