APA (7th ed.) Citation

Keraf, G. Tata Bahasa Indonesia. Gramedia.

Chicago Style (17th ed.) Citation

Keraf, Gorys. Tata Bahasa Indonesia. Gramedia.

MLA (8th ed.) Citation

Keraf, Gorys. Tata Bahasa Indonesia. Gramedia.

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