Gaya APA

Parshall, P. (1979). The fortress and the fire: Jesus Christ and the challenge of Islam , repr.ed. Cet.pertama 1975 . Bombay: Gospel Literature Service.

Gaya MLA

Parshall, Phil. "The fortress and the fire: Jesus Christ and the challenge of Islam , repr.ed. Cet.pertama 1975 ". Bombay: Gospel Literature Service, 1979. Buku.