Portnoy, K. (1998). Screen adaptation: A scriptwriting handbook (2nd ed.). Focal Press.
Chicago-viite (17. p.)Portnoy, Kenneth. Screen Adaptation: A Scriptwriting Handbook. 2nd ed. Boston ; Oxford: Focal Press, 1998.
MLA-viite (8. p.)Portnoy, Kenneth. Screen Adaptation: A Scriptwriting Handbook. 2nd ed. Focal Press, 1998.
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