APA (7th ed.) Citation

Heng, I.. (2018). The Hidden Passageway. PEP PUBLICATIONS SDN BHD.

Chicago Style (17th ed.) Citation

Heng, Isabela. The Hidden Passageway. Seri Kembangan, Selangor: PEP PUBLICATIONS SDN BHD, 2018.

MLA (9th ed.) Citation

Heng, Isabela. The Hidden Passageway. PEP PUBLICATIONS SDN BHD, 2018.

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