APA引文

Adamu, A. (2015). Economic valuation of wildlife-based ecotourism resources in Yankari Game Reserve, Bauchi State Nigeria.

Chicago Style (17th ed.) Citation

Adamu, Abdullahi. Economic Valuation of Wildlife-based Ecotourism Resources in Yankari Game Reserve, Bauchi State Nigeria. 2015.

MLA引文

Adamu, Abdullahi. Economic Valuation of Wildlife-based Ecotourism Resources in Yankari Game Reserve, Bauchi State Nigeria. 2015.

警告：这些引文格式不一定是100％准确.