Citace podle APA (7th ed.)
Parshall, P. (1975). The fortress and the fire: Jesus Christ and the challenge of Islam. Gospel Literature Service.
Citace podle Chicago (17th ed.)
Parshall, Phil. The Fortress and the Fire: Jesus Christ and the Challenge of Islam. Bombay: Gospel Literature Service, 1975.
Citace podle MLA (9th ed.)
Parshall, Phil. The Fortress and the Fire: Jesus Christ and the Challenge of Islam. Gospel Literature Service, 1975.
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