APA (7e ed.) Bronvermelding

Bridgman, R. L. (1979). Loyal traitors: A story of friendship for the Filipinos [microform]. Photoduplication Service, University of the Philippines Library.

Chicago (17e ed.) Bronvermelding

Bridgman, Raymond Landon. Loyal Traitors: A Story of Friendship for the Filipinos [microform]. Quezon City: Photoduplication Service, University of the Philippines Library, 1979.

MLA (9e ed.) Bronvermelding

Bridgman, Raymond Landon. Loyal Traitors: A Story of Friendship for the Filipinos [microform]. Photoduplication Service, University of the Philippines Library, 1979.