Παραπομπή σε μορφή APA (7η εκδ.)

Mills, G., Reed, L., & Kerr, A. (1969). It's not unusual: For mixed chorus (SATB) with piano and optional percussion and string bass. Leeds Music Limited.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Mills, Gordon, Les Reed, και Anita Kerr. It's Not Unusual: For Mixed Chorus (SATB) with Piano and Optional Percussion and String Bass. London: Leeds Music Limited, 1969.

Παραπομπή σε μορφή MLA (9th εκδ.)

Mills, Gordon, et al. It's Not Unusual: For Mixed Chorus (SATB) with Piano and Optional Percussion and String Bass. Leeds Music Limited, 1969.