APA aipamena

Dhulasi Birundha V. (2003). Environmental challenges towards tourism. Kanishka.

Chicago Style aipamena

Dhulasi Birundha V. Environmental Challenges Towards Tourism. New Delhi: Kanishka, 2003.

MLA aipamena

Dhulasi Birundha V. Environmental Challenges Towards Tourism. Kanishka, 2003.