APA
Garton-sprenger J. &. G., . (1990). Flying colours student's book 1. Heinemann international, Oxford: .
Chicago
Garton-sprenger Judy & Greenall,Simon, . 1990. Flying colours student's book 1. Heinemann international, Oxford: .
Harvard
Garton-sprenger J. &. G., . (1990). Flying colours student's book 1. Heinemann international, Oxford: .
MLA
Garton-sprenger Judy & Greenall,Simon, . Flying colours student's book 1. Heinemann international, Oxford: . 1990.