Laquian, A., & Laquian, E. (1998). Joseph Ejercito "ERAP" Estrada: The centennial president. Institute of Asian Research, University of British Columbia.
Chicago Style aipamenaLaquian, Aprodicio, and Eleanor Laquian. Joseph Ejercito "ERAP" Estrada: The Centennial President. Vancouver, BC: Institute of Asian Research, University of British Columbia, 1998.
MLA aipamenaLaquian, Aprodicio, and Eleanor Laquian. Joseph Ejercito "ERAP" Estrada: The Centennial President. Institute of Asian Research, University of British Columbia, 1998.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.