(1940). Nature recreation: Group guidance for the out-of-doors / by William ("Cap'n Bill") Gould Vinal.
Style de citation Chicago (17e éd.)Nature Recreation: Group Guidance for the Out-of-doors / by William ("Cap'n Bill") Gould Vinal. 1940.
Style de citation MLA (9e éd.)Nature Recreation: Group Guidance for the Out-of-doors / by William ("Cap'n Bill") Gould Vinal. 1940.
Attention : ces citations peuvent ne pas être correctes à 100%.