Farrell, P. (1983). The process of recreation, programming: Theory and technique (2nd ed.). John wiley & Sons.
Chicago (17e ed.) BronvermeldingFarrell, Patricia. The Process of Recreation, Programming: Theory and Technique. 2nd ed. New York: John wiley & Sons, 1983.
MLA (9e ed.) BronvermeldingFarrell, Patricia. The Process of Recreation, Programming: Theory and Technique. 2nd ed. John wiley & Sons, 1983.
Let op: Deze citaties zijn niet altijd 100% accuraat.