APA (7 ম সংস্করণ) উদ্ধৃতি

(1990). Parangal kay Salvador P. Lopez, November 22, 1990, Faculty Center Conference Hall, UP Diliman, Quezon City. S.P. Lopez Commemorative Program Committee.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Parangal Kay Salvador P. Lopez, November 22, 1990, Faculty Center Conference Hall, UP Diliman, Quezon City. Quezon City: S.P. Lopez Commemorative Program Committee, 1990.

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

Parangal Kay Salvador P. Lopez, November 22, 1990, Faculty Center Conference Hall, UP Diliman, Quezon City. S.P. Lopez Commemorative Program Committee, 1990.