APA (7th ed.) Citation

Brown, G., & Wragg, E. (1997). Bertanya. Grasindo.

Chicago Style (17th ed.) Citation

Brown, George, and E.C Wragg. Bertanya. Grasindo, 1997.

MLA (8th ed.) Citation

Brown, George, and E.C Wragg. Bertanya. Grasindo, 1997.

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