APA (7th ed.) Citation

English... & Darminah, d. (2013). English for business and office. Universitas Terbuka.

Chicago Style (17th ed.) Citation

English... and dkk Darminah. English for Business and Office. Universitas Terbuka, 2013.

MLA (8th ed.) Citation

English... and dkk Darminah. English for Business and Office. Universitas Terbuka, 2013.

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