APA (7th ed.) Citation

Muchlis, A. (2011). Key to Speaking. Jaring Pena.

Chicago Style (17th ed.) Citation

Muchlis, Ach. Key to Speaking. Jaring Pena, 2011.

MLA (9th ed.) Citation

Muchlis, Ach. Key to Speaking. Jaring Pena, 2011.

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