APA
"UN E. a. s. i. a. p. a. (. D. o. )., "UN E. a. s. i. a. p. a. (. D. o. )., . (1994). Recommendations on tourism statistics. New: York United Nation U S A.
Chicago
"UN Economic and soical information and policy analysis ( Deptt of )", "UN Economic and soical information and policy analysis ( Deptt of )", . 1994. Recommendations on tourism statistics. New: York United Nation U S A.
Harvard
"UN E. a. s. i. a. p. a. (. D. o. )., "UN E. a. s. i. a. p. a. (. D. o. )., . (1994). Recommendations on tourism statistics. New: York United Nation U S A.
MLA
"UN Economic and soical information and policy analysis ( Deptt of )", "UN Economic and soical information and policy analysis ( Deptt of )", . Recommendations on tourism statistics. New: York United Nation U S A. 1994.