Schoenfeld, C. A. (1971). Everybody's ecology: A field guide to pleasure and perception in the out-of-doors. A. S. Barnes.
Citazione stile Chigago Style (17a edizione)Schoenfeld, Clay Albert. Everybody's Ecology: A Field Guide to Pleasure and Perception in the Out-of-doors. South Brunswick: A. S. Barnes, 1971.
Citatione MLA (9a ed.)Schoenfeld, Clay Albert. Everybody's Ecology: A Field Guide to Pleasure and Perception in the Out-of-doors. A. S. Barnes, 1971.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.