GAFFERT, G. A. Steam power station. McGraw Hill Book.
芝加哥风格引文GAFFERT, Gustaf A. Steam Power Station. New York: McGraw Hill Book.
MLA引文GAFFERT, Gustaf A. Steam Power Station. McGraw Hill Book.
警告:这些引文格式不一定是100%准确.
GAFFERT, G. A. Steam power station. McGraw Hill Book.
芝加哥风格引文GAFFERT, Gustaf A. Steam Power Station. New York: McGraw Hill Book.
MLA引文GAFFERT, Gustaf A. Steam Power Station. McGraw Hill Book.