Dyfyniad APA

Wekerle, G. R. (1998). Safe Cities Guidelines For Planning, Design And Management Gerda R. Wekerle, Carolyn Whitzman. Van Nostrand Reinhold.

Dyfyniad Arddull Chicago

Wekerle, Gerda R. Safe Cities Guidelines For Planning, Design And Management Gerda R. Wekerle, Carolyn Whitzman. Van Nostrand Reinhold, 1998.

Dyfyniad MLA

Wekerle, Gerda R. Safe Cities Guidelines For Planning, Design And Management Gerda R. Wekerle, Carolyn Whitzman. Van Nostrand Reinhold, 1998.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.