APA (7th ed.) Zitazioa

Schmid, W. (1977). Hal leonard guitar method. Hal Leonard.

Chicago Style (17th ed.) Zitazioa

Schmid, Will. Hal Leonard Guitar Method. Milwaukee: Hal Leonard, 1977.

MLA (9th ed.) Zitazioa

Schmid, Will. Hal Leonard Guitar Method. Hal Leonard, 1977.