Pigram, J. J. J. (1983). Outdoor recreation and resource management. C. Helm.
Chicago Style (17th ed.) CitationPigram, J. J. J. Outdoor Recreation and Resource Management. London: C. Helm, 1983.
MLA (9th ed.) CitationPigram, J. J. J. Outdoor Recreation and Resource Management. C. Helm, 1983.
Warning: These citations may not always be 100% accurate.