Gaya APA

Brinton, E., ...[et.al], . (1971). Active context english book 1 (with teachers note) . London: Macmillan Education Limited.

Gaya MLA

Brinton, Ethel., ...[et.al], . "Active context english book 1 (with teachers note)". London: Macmillan Education Limited, 1971. Text.