Reader´s Digest Association. Spring 1958 selections.
芝加哥风格引文Reader´s Digest Association. Spring 1958 Selections.
MLA引文Reader´s Digest Association. Spring 1958 Selections.
警告：这些引文格式不一定是100％准确.
APA引文
Reader´s Digest Association. Spring 1958 selections.
芝加哥风格引文Reader´s Digest Association. Spring 1958 Selections.
MLA引文Reader´s Digest Association. Spring 1958 Selections.