APA aipamena

Seeds... (1961). Seeds: The yearbook of agriculture 1961. Superintendent of documents.

Chicago Style aipamena

Seeds... Seeds: The Yearbook of Agriculture 1961. Superintendent of documents, 1961.

MLA aipamena

Seeds... Seeds: The Yearbook of Agriculture 1961. Superintendent of documents, 1961.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.