STEVENS. (1989). PRACTICAL PROBLEM SOLVING. UNIVERSAL BOOK.
芝加哥风格引文STEVENS. PRACTICAL PROBLEM SOLVING. UNIVERSAL BOOK, 1989.
MLA引文STEVENS. PRACTICAL PROBLEM SOLVING. UNIVERSAL BOOK, 1989.
警告：这些引文格式不一定是100％准确.
APA引文
STEVENS. (1989). PRACTICAL PROBLEM SOLVING. UNIVERSAL BOOK.
芝加哥风格引文STEVENS. PRACTICAL PROBLEM SOLVING. UNIVERSAL BOOK, 1989.
MLA引文STEVENS. PRACTICAL PROBLEM SOLVING. UNIVERSAL BOOK, 1989.