APA引用形式

Vijayakumar, B., & Sam , N. (2009). Sustainable development of tourismm in Kerala. International centre for Kerala Studies,University of Kerala.

シカゴスタイル引用形

Vijayakumar, B., , N. Sam. Sustainable Development of Tourismm in Kerala. Thiruvananthapuram: International centre for Kerala Studies,University of Kerala, 2009.

MLA引用形式

Vijayakumar, B., , N. Sam. Sustainable Development of Tourismm in Kerala. International centre for Kerala Studies,University of Kerala, 2009.

警告: この引用は必ずしも正確ではありません.