Dyfyniad APA

University of Nottingham. Institute of Planning Studies, Trench, S., & Oc, T. (1990). Current issues in planning. Gower.

Dyfyniad Arddull Chicago

University of Nottingham. Institute of Planning Studies, Sylvia Trench, and Taner Oc. Current Issues in Planning. Aldershot, Hants, England, Brookfield, Vt., USA: Gower, 1990.

Dyfyniad MLA

University of Nottingham. Institute of Planning Studies, et al. Current Issues in Planning. Gower, 1990.

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