APA (7th ed.) Citation

HIGINS, J. Di Ambang Neraka. Gramedia Pustak.

Chicago Style (17th ed.) Citation

HIGINS, Jack. Di Ambang Neraka. Gramedia Pustak.

MLA (8th ed.) Citation

HIGINS, Jack. Di Ambang Neraka. Gramedia Pustak.

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