Muhammad, A. A. (2016). Willingness to pay for intangible environmental amenities in Anguwan Rogo-Anguwan RIMI, JOS, Nigeria.
芝加哥风格引文Muhammad, Abdulazeez Adam. Willingness to Pay for Intangible Environmental Amenities in Anguwan Rogo-Anguwan RIMI, JOS, Nigeria. 2016.
MLA引文Muhammad, Abdulazeez Adam. Willingness to Pay for Intangible Environmental Amenities in Anguwan Rogo-Anguwan RIMI, JOS, Nigeria. 2016.
警告：这些引文格式不一定是100％准确.