APA Citation

HASAN Hamzah, & Osman Hamzah. (1999). Alam Semesta: Bintang,Nova,supernova. Selangor: Anzagain Sdn Bhd.

Chicago Style Citation

HASAN Hamzah, and Osman Hamzah. Alam Semesta: Bintang,Nova,supernova. Selangor: Anzagain Sdn Bhd, 1999.

MLA Citation

HASAN Hamzah, and Osman Hamzah. Alam Semesta: Bintang,Nova,supernova. Selangor: Anzagain Sdn Bhd, 1999.

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