APA
"UN O. F. E. C. A. D., "UN O. F. E. C. A. D., . (1980). Tourism policy and international tourism in OECD member countries. Paris: OECD.
Chicago
"UN Organization For Economic Co-operation And Development", "UN Organization For Economic Co-operation And Development", . 1980. Tourism policy and international tourism in OECD member countries. Paris: OECD.
Harvard
"UN O. F. E. C. A. D., "UN O. F. E. C. A. D., . (1980). Tourism policy and international tourism in OECD member countries. Paris: OECD.
MLA
"UN Organization For Economic Co-operation And Development", "UN Organization For Economic Co-operation And Development", . Tourism policy and international tourism in OECD member countries. Paris: OECD. 1980.
