Sing, R. (1994). Tourism today: Structure, marketing & profile:infrastructure of tourism in India. Kanishka.
शिकागो स्टाइल उद्धरणSing, Ratandeep. Tourism Today: Structure, Marketing & Profile:infrastructure of Tourism in India. Delhi: Kanishka, 1994.
एमएलए उद्धरणSing, Ratandeep. Tourism Today: Structure, Marketing & Profile:infrastructure of Tourism in India. Kanishka, 1994.
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