Tyson, T. (1998). Working with groups (2nd ed.). South Yarra, [Vic.]: Macmillan Education Australia.
शिकागो स्टाइल उद्धरणTyson, Trevor. Working With Groups. 2nd ed. South Yarra, [Vic.]: Macmillan Education Australia, 1998.
एमएलए उद्धरणTyson, Trevor. Working With Groups. 2nd ed. South Yarra, [Vic.]: Macmillan Education Australia, 1998.
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