Παραπομπή σε μορφή APA (7η εκδ.)

Briones, A. M. (1976). Nitrogen availability in five soils under different management systems and its effects on growth and yield of rice [microform]. Photoduplication Service,University of the Philippines library.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Briones, Angelina Mariano. Nitrogen Availability in Five Soils Under Different Management Systems and Its Effects on Growth and Yield of Rice [microform]. Quezon City: Photoduplication Service,University of the Philippines library, 1976.

Παραπομπή σε μορφή MLA (9th εκδ.)

Briones, Angelina Mariano. Nitrogen Availability in Five Soils Under Different Management Systems and Its Effects on Growth and Yield of Rice [microform]. Photoduplication Service,University of the Philippines library, 1976.