Leighton, R. Menembus rintangan maut. Sinar Harapan.
Chicago Style (17th ed.) CitationLeighton, Robert. Menembus Rintangan Maut. Sinar Harapan.
MLA (8th ed.) CitationLeighton, Robert. Menembus Rintangan Maut. Sinar Harapan.
Warning: These citations may not always be 100% accurate.