HIGINS, J. Di Ambang Neraka. Gramedia Pustak.
Chicago Style (17th ed.) CitationHIGINS, Jack. Di Ambang Neraka. Gramedia Pustak.
MLA (8th ed.) CitationHIGINS, Jack. Di Ambang Neraka. Gramedia Pustak.
Warning: These citations may not always be 100% accurate.