APA aipamena

De Leon, F. P. (1944). Bakit: Song for sopranos and tenors. s.n.].

Chicago Style aipamena

De Leon, Felipe Padilla. Bakit: Song for Sopranos and Tenors. [Manila: s.n.], 1944.

MLA aipamena

De Leon, Felipe Padilla. Bakit: Song for Sopranos and Tenors. s.n.], 1944.