APA (7e ed.) Bronvermelding

Aguas, E. F. (1974). A survey of Filipino nature poetry in English - 1900-1950 [microform]. Photoduplication Service, University of the Philippines Library.

Chicago (17e ed.) Bronvermelding

Aguas, Estrella Floro. A Survey of Filipino Nature Poetry in English - 1900-1950 [microform]. Quezon City: Photoduplication Service, University of the Philippines Library, 1974.

MLA (9e ed.) Bronvermelding

Aguas, Estrella Floro. A Survey of Filipino Nature Poetry in English - 1900-1950 [microform]. Photoduplication Service, University of the Philippines Library, 1974.