Cita APA

Knetsch, J. L. (1967). A design for assessing outdoor recreation demands in Canada. [s.n.].

Citación estilo Chicago

Knetsch, Jack Lewis. A Design for Assessing Outdoor Recreation Demands in Canada. Washington: [s.n.], 1967.

Cita MLA

Knetsch, Jack Lewis. A Design for Assessing Outdoor Recreation Demands in Canada. [s.n.], 1967.