APA (7th ed.) Citation

Watkins, M. (2005). 90 Hari Pertama. Serambi Ilmu Semesta.

Chicago Style (17th ed.) Citation

Watkins, Michael. 90 Hari Pertama. Serambi Ilmu Semesta, 2005.

MLA (8th ed.) Citation

Watkins, Michael. 90 Hari Pertama. Serambi Ilmu Semesta, 2005.

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