Magulama, E. E., & Sales, E. K. (2010). Developing and identifying superior quality protein maize (QPM) cultivars. USM R & D Journal.
Chicago Style (17. basım) AtıfMagulama, Efren E., ve Emma K. Sales. "Developing and Identifying Superior Quality Protein Maize (QPM) Cultivars." USM R & D Journal 2010.
MLA (9th ed.) AtıfMagulama, Efren E., ve Emma K. Sales. "Developing and Identifying Superior Quality Protein Maize (QPM) Cultivars." USM R & D Journal, 2010.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..