Earnest, W. (1976). A war catechism: Questions and answers concerning the great world war; its causes and progress; our country's part in it; our duties as citizens [microform]. Photoduplication Service, University of the Philippines Library.
Cytowanie według stylu Chicago (wyd. 17)Earnest, W.W. A War Catechism: Questions and Answers Concerning the Great World War; Its Causes and Progress; Our Country's Part in It; Our Duties as Citizens [microform]. Quezon City: Photoduplication Service, University of the Philippines Library, 1976.
Cytowanie według stylu MLA (wyd. 9)Earnest, W.W. A War Catechism: Questions and Answers Concerning the Great World War; Its Causes and Progress; Our Country's Part in It; Our Duties as Citizens [microform]. Photoduplication Service, University of the Philippines Library, 1976.