APA引文

Cleaf, D. W. V. (1991). Action in elementary social studies. Englewood Cliffs, New Jersey: Prentice-Hall.

Trích dẫn kiểu Chicago

Cleaf, David W. Van. Action in Elementary Social Studies. Englewood Cliffs, New Jersey: Prentice-Hall, 1991.

MLA引文

Cleaf, David W. Van. Action in Elementary Social Studies. Englewood Cliffs, New Jersey: Prentice-Hall, 1991.

警告：这些引文格式不一定是100％准确.