Gaya APA

Clutterbuck, R, L. (1987). Kidnap, hijack and extortion : The Response / Richard Clutterbuck; foreward by Sir Robert Mark . London: Macmillan.

Gaya MLA

Clutterbuck, Richard, L.. "Kidnap, hijack and extortion : The Response / Richard Clutterbuck; foreward by Sir Robert Mark". London: Macmillan, 1987. Textbook.