Cita APA (7a ed.)

Mackie, G., & Allan, D. C. (2002). Super songs and activities 1.

Cita Chicago Style (17a ed.)

Mackie, Gill, y David Clark Allan. Super Songs and Activities 1. Oxford, 2002.

Cita MLA (9a ed.)

Mackie, Gill, y David Clark Allan. Super Songs and Activities 1. 2002.