Παραπομπή APA

(1970). Annual report on crop improvement program 1969. VietNam: Institute of Agricultural Research, Agronomy Service.

Παραπομπή Chicago Style

Annual Report On Crop Improvement Program 1969. VietNam: Institute of Agricultural Research, Agronomy Service, 1970.

Παραπομπή MLA

Annual Report On Crop Improvement Program 1969. VietNam: Institute of Agricultural Research, Agronomy Service, 1970.

Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.