Dyfyniad APA

Kelsey, C., & Gray, H. (1986). The feasibility study process for parks and recreation. American Association for Leisure and Recreation.

Dyfyniad Arddull Chicago

Kelsey, Craig, and Howard Gray. The Feasibility Study Process for Parks and Recreation. Reston, Va: American Association for Leisure and Recreation, 1986.

Dyfyniad MLA

Kelsey, Craig, and Howard Gray. The Feasibility Study Process for Parks and Recreation. American Association for Leisure and Recreation, 1986.

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