Vijayakumar, B., & Sam , N. (2009). Sustainable development of tourismm in Kerala. International centre for Kerala Studies,University of Kerala.
استشهاد بنمط شيكاغوVijayakumar, B., و N. Sam. Sustainable Development of Tourismm in Kerala. Thiruvananthapuram: International centre for Kerala Studies,University of Kerala, 2009.
MLA استشهادVijayakumar, B., و N. Sam. Sustainable Development of Tourismm in Kerala. International centre for Kerala Studies,University of Kerala, 2009.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.