APA Citation

Wilder, L. I. (2001). Masa-masa Sulit. Elex Media Komputindo.

Chicago Style Citation

Wilder, Laura Ingalls. Masa-masa Sulit. Elex Media Komputindo, 2001.

MLA Citation

Wilder, Laura Ingalls. Masa-masa Sulit. Elex Media Komputindo, 2001.

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