Παραπομπή σε μορφή APA (7η εκδ.)

Spicker, M. (1924). Masterpieces of vocalization: A graded series of vocal studies for all voices, selected from the celebrated works of Bordese, Bordogni, Cherubini... [et al.]. G. Schirmer.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Spicker, Max. Masterpieces of Vocalization: A Graded Series of Vocal Studies for All Voices, Selected from the Celebrated Works of Bordese, Bordogni, Cherubini... [et Al.]. New York: G. Schirmer, 1924.

Παραπομπή σε μορφή MLA (9th εκδ.)

Spicker, Max. Masterpieces of Vocalization: A Graded Series of Vocal Studies for All Voices, Selected from the Celebrated Works of Bordese, Bordogni, Cherubini... [et Al.]. G. Schirmer, 1924.