APA Citation

Muhd Ismail Ahmad, & Siti Zawiyah Zakaria. (1998). Sains angkasa lepas. Petaling Jaya: Booktrade Enterprise.

Chicago Style Citation

Muhd Ismail Ahmad, and Siti Zawiyah Zakaria. Sains Angkasa Lepas. Petaling Jaya: Booktrade Enterprise, 1998.

MLA Citation

Muhd Ismail Ahmad, and Siti Zawiyah Zakaria. Sains Angkasa Lepas. Petaling Jaya: Booktrade Enterprise, 1998.

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