APA (7th ed.) Citation

Eric T.S. Tan. (2004). Earth's Resources. Hartamas.

Chicago Style (17th ed.) Citation

Eric T.S. Tan. Earth's Resources. Kuala Lumpur: Hartamas, 2004.

MLA (9th ed.) Citation

Eric T.S. Tan. Earth's Resources. Hartamas, 2004.

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