APA aipamena

Valmonte, k. n. E. L. (1974). Hanggang kailan [microform]. Photoduplication Service.

Chicago Style aipamena

Valmonte, katha ni Engracio L. Hanggang Kailan [microform]. Quezon City: Photoduplication Service, 1974.

MLA aipamena

Valmonte, katha ni Engracio L. Hanggang Kailan [microform]. Photoduplication Service, 1974.