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.