Cita APA (7th ed.)

ACTIVE.. & HOWE, D. d. (1979). Active English for Indonesia: Work book one for Sekolah Menengah Pertama.-- Ed.2. Oxford University Press.

Cita Chicago (17th ed.)

ACTIVE.. i D.H. dkk HOWE. Active English for Indonesia: Work Book One for Sekolah Menengah Pertama.-- Ed.2. Oxford: Oxford University Press, 1979.

Cita MLA (9th ed.)

ACTIVE.. i D.H. dkk HOWE. Active English for Indonesia: Work Book One for Sekolah Menengah Pertama.-- Ed.2. Oxford University Press, 1979.