APA (7th ed.) Citation

Radke, D. (1975). Contribution of the international tourism to the economic and social development of Sri Lanka. German Development Institute.

Chicago Style (17th ed.) Citation

Radke, Detlef. Contribution of the International Tourism to the Economic and Social Development of Sri Lanka. Berlin: German Development Institute, 1975.

MLA (9th ed.) Citation

Radke, Detlef. Contribution of the International Tourism to the Economic and Social Development of Sri Lanka. German Development Institute, 1975.

Warning: These citations may not always be 100% accurate.