Cita APA (7a ed.)

Pierce, S. R., & Cutbush, P. (1953). Planning (7th ed.). ILeffe & Sons, Ltd..

Cita Chicago Style (17a ed.)

Pierce, Stephen Rowland, y Patrick Cutbush. Planning. 7th ed. London: ILeffe & Sons, Ltd., 1953.

Cita MLA (9a ed.)

Pierce, Stephen Rowland, y Patrick Cutbush. Planning. 7th ed. ILeffe & Sons, Ltd., 1953.