توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

Biswas, C. R. (1976). the potassium supplying capacity of several Philippine soils under two moisture regimes [microform]. Photoduplication Service,University of the Philippines library.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Biswas, Chitta Ranjan. The Potassium Supplying Capacity of Several Philippine Soils Under Two Moisture Regimes [microform]. Quezon City: Photoduplication Service,University of the Philippines library, 1976.

توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)

Biswas, Chitta Ranjan. The Potassium Supplying Capacity of Several Philippine Soils Under Two Moisture Regimes [microform]. Photoduplication Service,University of the Philippines library, 1976.