APA (7th ed.) Citation

Arief,Indriani,MacCarthy,Mary. (1981). Active Mastery in English / Indriani Arief. IKIP.

Chicago Style (17th ed.) Citation

Arief,Indriani,MacCarthy,Mary. Active Mastery in English / Indriani Arief. IKIP, 1981.

MLA (8th ed.) Citation

Arief,Indriani,MacCarthy,Mary. Active Mastery in English / Indriani Arief. IKIP, 1981.

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