Gaya APA

Goodman, W, I, (., Freund, E, C, (. (1968). Principles and practice of urban planning n . Washington: The Internarional City Managers Association.

Gaya MLA

Goodman, William, I, (editor)., Freund, Eric, C, (editor). "Principles and practice of urban planning n". Washington: The Internarional City Managers Association, 1968. Text.