APA(7版)引用形式
ebrary, Inc, Black, R., & Crabtree, A. (2007). Quality assurance and certification in ecotourism. CABI Pub..
Chicagoスタイル(17版)引用形式
ebrary, Inc, Rosemary Black, , Alice Crabtree. Quality Assurance and Certification in Ecotourism. Cambridge, MA ; Wallingford: CABI Pub., 2007.
MLA(9版)引用形式
ebrary, Inc, et al. Quality Assurance and Certification in Ecotourism. CABI Pub., 2007.
警告: この引用は必ずしも正確ではありません.