APA ציטוט

Spitzer, H. F. (1967). Teaching elementary school mathematics. Bostan, Mass.: Houghton Mifflin.

Trích dẫn kiểu Chicago

Spitzer, Herbert F. Teaching Elementary School Mathematics. Bostan, Mass.: Houghton Mifflin, 1967.

ציטוט MLA

Spitzer, Herbert F. Teaching Elementary School Mathematics. Bostan, Mass.: Houghton Mifflin, 1967.