Παραπομπή σε μορφή APA (7η εκδ.)

DePressles, E. (1939). Guitar (Spanish): A fundamental course for individual or like-instrument class instruction / E.L. DePressles. Rubank.

Παραπομπή σε μορφή Chicago (17η εκδ.)

DePressles, E.L. Guitar (Spanish): A Fundamental Course for Individual or Like-instrument Class Instruction / E.L. DePressles. Miami, Fl.: Rubank, 1939.

Παραπομπή σε μορφή MLA (8th εκδ.)

DePressles, E.L. Guitar (Spanish): A Fundamental Course for Individual or Like-instrument Class Instruction / E.L. DePressles. Rubank, 1939.