Dyfyniad APA

Christiansen, M. L. (1977). Park planning handbook: Fundamentals of physical planning for parks and recreation areas. Wiley.

Dyfyniad Arddull Chicago

Christiansen, Monty L. Park Planning Handbook: Fundamentals of Physical Planning for Parks and Recreation Areas. New York: Wiley, 1977.

Dyfyniad MLA

Christiansen, Monty L. Park Planning Handbook: Fundamentals of Physical Planning for Parks and Recreation Areas. Wiley, 1977.

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