Downs, W. M., & Wright, L. A. (1998). Playwriting from formula to form: A guide to writing a play. Harcourt Brace College Publishers.
Chicagoスタイル(17版)引用形式Downs, William Missouri, , Lou Anne Wright. Playwriting from Formula to Form: A Guide to Writing a Play. Forth Worth, Tex: Harcourt Brace College Publishers, 1998.
MLA(9版)引用形式Downs, William Missouri, , Lou Anne Wright. Playwriting from Formula to Form: A Guide to Writing a Play. Harcourt Brace College Publishers, 1998.
警告: この引用は必ずしも正確ではありません.