Gaya APA

Phillips, R, L. et al (1999). Crop Science A Journal Serving The International Community Of Crop Scientistd. Vol 39 (Th) 1999 (Vol 39 No. 3,4,5,6 1999). Amerika Serikat: .

Gaya MLA

Phillips, Ronald, L.. et al. "Crop Science A Journal Serving The International Community Of Crop Scientistd. Vol 39 (Th) 1999". Vol 39 No. 3,4,5,6 1999 Amerika Serikat: , 1999. Koleksi Berkala.