Cita APA (7th ed.)

Garton-Sprenger, J. (1990). Flying colours 1: Students' Book. Heinemann.

Cita Chicago (17th ed.)

Garton-Sprenger, Judy. Flying Colours 1: Students' Book. Oxford: Heinemann, 1990.

Cita MLA (9th ed.)

Garton-Sprenger, Judy. Flying Colours 1: Students' Book. Heinemann, 1990.