APA (7th ed.) Citation

Asimov,Isaac. (1994). Kuasar,pulsar dan lohong hitam. Federal publications.

Chicago Style (17th ed.) Citation

Asimov,Isaac. Kuasar,pulsar Dan Lohong Hitam. Kuala lumpur: Federal publications, 1994.

MLA (9th ed.) Citation

Asimov,Isaac. Kuasar,pulsar Dan Lohong Hitam. Federal publications, 1994.

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