Downs, W. M., & Wright, L. A. (1998). Playwriting from formula to form: A guide to writing a play. Harcourt Brace College Publishers.
Čikaški stil citiranja (17. izdanje)Downs, William Missouri, i Lou Anne Wright. Playwriting from Formula to Form: A Guide to Writing a Play. Forth Worth, Tex: Harcourt Brace College Publishers, 1998.
MLA način citiranja (9. izdanje)Downs, William Missouri, i Lou Anne Wright. Playwriting from Formula to Form: A Guide to Writing a Play. Harcourt Brace College Publishers, 1998.
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