APA (7 ম সংস্করণ) উদ্ধৃতি

Manalac, S., Senador, A., & Escoto, A. D. Sulfonation of clean and contaminated polystyrene (Styrofoam). Philippine Engineering Journal.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Manalac, S., A. Senador, এবং Angela D. Escoto. "Sulfonation of Clean and Contaminated Polystyrene (Styrofoam)." Philippine Engineering Journal .

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

Manalac, S., et al. "Sulfonation of Clean and Contaminated Polystyrene (Styrofoam)." Philippine Engineering Journal, .