APA
Garton - Sprenger J. &. G. S., . (1991). Flying colours student book 2. Heinemann international, Oxford: .
Chicago
Garton - Sprenger Judy & Greenall Simon, . 1991. Flying colours student book 2. Heinemann international, Oxford: .
Harvard
Garton - Sprenger J. &. G. S., . (1991). Flying colours student book 2. Heinemann international, Oxford: .
MLA
Garton - Sprenger Judy & Greenall Simon, . Flying colours student book 2. Heinemann international, Oxford: . 1991.