Labuda, K. (1981). Activity profiles for three water-based recreational activities: Scubadiving-snorkelling, swimming and shore uses. Parks Canada.
Citação do estilo Chicago (17ª ed.)Labuda, Kathy. Activity Profiles for Three Water-based Recreational Activities: Scubadiving-snorkelling, Swimming and Shore Uses. Canada: Parks Canada, 1981.
Citação MLA (8ª ed.)Labuda, Kathy. Activity Profiles for Three Water-based Recreational Activities: Scubadiving-snorkelling, Swimming and Shore Uses. Parks Canada, 1981.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.