APA (7th ed.) Citation

Einspruch, A., & Nor Afiqah Abd. Halim. (2011). Discovery education tahap 4: Planet berpenghuni. Orbit Buku Sdn. Bhd..

Chicago Style (17th ed.) Citation

Einspruch, Andrew, and Nor Afiqah Abd. Halim. Discovery Education Tahap 4: Planet Berpenghuni. Petaling Jaya: Orbit Buku Sdn. Bhd., 2011.

MLA (9th ed.) Citation

Einspruch, Andrew, and Nor Afiqah Abd. Halim. Discovery Education Tahap 4: Planet Berpenghuni. Orbit Buku Sdn. Bhd., 2011.

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