APA (7th ed.) Citation

Khalid Omar. Angkasa lepas dan sistem suria. Longman malaysia sdn.bhd..

Chicago Style (17th ed.) Citation

Khalid Omar. Angkasa Lepas Dan Sistem Suria. Kuala lumpur: Longman malaysia sdn.bhd..

MLA (9th ed.) Citation

Khalid Omar. Angkasa Lepas Dan Sistem Suria. Longman malaysia sdn.bhd..

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