APA Citation

Hassan, A. (1958). Ilmu alam (Cet. 5.). Jakarta: Titian.

Chicago Style Citation

Hassan, Abbas. Ilmu Alam. Cet. 5. Jakarta: Titian, 1958.

MLA Citation

Hassan, Abbas. Ilmu Alam. Cet. 5. Jakarta: Titian, 1958.

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