APA(7版)引用形式
ebrary, Inc, Dowling, R. K., & Fennell, D. A. (2003). Ecotourism policy and planning. CABI Pub..
Chicagoスタイル(17版)引用形式
ebrary, Inc, Ross Kingston Dowling, , David A. Fennell. Ecotourism Policy and Planning. Wallingford, Oxon, UK ; Cambridge, MA, USA: CABI Pub., 2003.
MLA(9版)引用形式
ebrary, Inc, et al. Ecotourism Policy and Planning. CABI Pub., 2003.
警告: この引用は必ずしも正確ではありません.