Παραπομπή σε μορφή APA (7η εκδ.)

Keller, W. (1974). Introduction to music for children: Methodology playing the instruments suggestions for teachers.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Keller, Wilhelm. Introduction to Music for Children: Methodology Playing the Instruments Suggestions for Teachers. Mainz ; London, 1974.

Παραπομπή σε μορφή MLA (9th εκδ.)

Keller, Wilhelm. Introduction to Music for Children: Methodology Playing the Instruments Suggestions for Teachers. 1974.