APA (7th ed.) Citation

Adia, J. (2011). Langsung bisa menguasai grammar. Agogos Publishing.

Chicago Style (17th ed.) Citation

Adia, Joanna. Langsung Bisa Menguasai Grammar. Agogos Publishing, 2011.

MLA (8th ed.) Citation

Adia, Joanna. Langsung Bisa Menguasai Grammar. Agogos Publishing, 2011.

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