Παραπομπή APA

Gribble, L. (1977). Compelled to kill. Jonh Long.

Παραπομπή Chicago Style

Gribble, Leonard. Compelled to Kill. London: Jonh Long, 1977.

Παραπομπή MLA

Gribble, Leonard. Compelled to Kill. Jonh Long, 1977.