APA (7th ed.) Citation

Ashley, A. (1989). Basic comercial english. Binarupa Aksara.

Chicago Style (17th ed.) Citation

Ashley, A. Basic Comercial English. Binarupa Aksara, 1989.

MLA (8th ed.) Citation

Ashley, A. Basic Comercial English. Binarupa Aksara, 1989.

Warning: These citations may not always be 100% accurate.