APA (7th ed.) Citation

Houghton, G., & Khor, A. L. (1995). Tenaga alternatif: Biotenaga. Federal Publications.

Chicago Style (17th ed.) Citation

Houghton, Graham, and Ai Lee Khor. Tenaga Alternatif: Biotenaga. Shah Alam, Selangor, Malaysia: Federal Publications, 1995.

MLA (9th ed.) Citation

Houghton, Graham, and Ai Lee Khor. Tenaga Alternatif: Biotenaga. Federal Publications, 1995.

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