Zuluaga, A. L. H. (2013). Effects of green tourism on the occupancy level of the Little Surfmaid Hotel in San Juan, La Union. University of the Philippines, Asia Institute of Tourism.
Chicagoスタイル(17版)引用形式Zuluaga, Alexandra Louise H. Effects of Green Tourism on the Occupancy Level of the Little Surfmaid Hotel in San Juan, La Union. Quezon City: University of the Philippines, Asia Institute of Tourism, 2013.
MLA(9版)引用形式Zuluaga, Alexandra Louise H. Effects of Green Tourism on the Occupancy Level of the Little Surfmaid Hotel in San Juan, La Union. University of the Philippines, Asia Institute of Tourism, 2013.
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