KARSTEIN,H. (1986). POSITIVE THINKING FOR POSITIVE LIVING. H. KARSTEIN.
芝加哥风格引文KARSTEIN,H. POSITIVE THINKING FOR POSITIVE LIVING. BOMBAY: H. KARSTEIN, 1986.
MLA引文KARSTEIN,H. POSITIVE THINKING FOR POSITIVE LIVING. H. KARSTEIN, 1986.
警告：这些引文格式不一定是100％准确.