APA (7e ed.) Bronvermelding

Collier, G. (1990). Blue Bird Pumpkin: Saxophone Quartet: Es Alto Saxophone 1 ( opt. B Soprano Saxophone), Es Alto Saxophone 2, B Tenor Saxophone, Es Bariton Saxophon. advance music.

Chicago (17e ed.) Bronvermelding

Collier, Graham. Blue Bird Pumpkin: Saxophone Quartet: Es Alto Saxophone 1 ( Opt. B Soprano Saxophone), Es Alto Saxophone 2, B Tenor Saxophone, Es Bariton Saxophon. Rottenburg a/N: advance music, 1990.

MLA (8e ed.) Bronvermelding

Collier, Graham. Blue Bird Pumpkin: Saxophone Quartet: Es Alto Saxophone 1 ( Opt. B Soprano Saxophone), Es Alto Saxophone 2, B Tenor Saxophone, Es Bariton Saxophon. advance music, 1990.