APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (9e ed.) Bronvermelding

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

Let op: Deze citaties zijn niet altijd 100% accuraat.