Boughton, B., & Horvath, A. Environmental assessment of used oil management methods.
Trích dẫn kiểu ChicagoBoughton, Bob., và Arpad Horvath. Environmental Assessment of Used Oil Management Methods.
MLA引文Boughton, Bob., và Arpad Horvath. Environmental Assessment of Used Oil Management Methods.
警告：這些引文格式不一定是100％准確.