LaHaye, T., & Ferrone, R. (1989). Tribulation force: Left behind series, book 2 (Unabridged.). Recorded Books Inc..
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रLaHaye, Tim, और Richard Ferrone. Tribulation Force: Left Behind Series, Book 2. Unabridged. Prince Frederick: Recorded Books Inc., 1989.
एमएलए (8वां संस्करण) प्रशस्ति पत्रLaHaye, Tim, और Richard Ferrone. Tribulation Force: Left Behind Series, Book 2. Unabridged. Recorded Books Inc., 1989.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.