BASAK, R. K. (2012). FERTILIZERS: A TEXT BOOK (3.).
Chicago Style aipamenaBASAK, RANJAN KUMAR. FERTILIZERS: A TEXT BOOK. 3. LUDHIANA, KALYANI, 2012.
MLA aipamenaBASAK, RANJAN KUMAR. FERTILIZERS: A TEXT BOOK. 3. 2012.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.