APA (7th ed.) Citation

Aishah Ahmad. (1999). Sains tingkatan 4 & 5. Preston.

Chicago Style (17th ed.) Citation

Aishah Ahmad. Sains Tingkatan 4 & 5. Petaling Jaya: Preston, 1999.

MLA (8th ed.) Citation

Aishah Ahmad. Sains Tingkatan 4 & 5. Preston, 1999.

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