Gaya APA

Klausmeier, H, J., Swanson, C, P. (NULL). Learning and teaching concepts a strategy for testing applications ì of theory . New: New York: Academic; 1980.

Gaya MLA

Klausmeier, Herbert, J., Swanson, Carl, P.. "Learning and teaching concepts a strategy for testing applications ì of theory". New: New York: Academic; 1980, NULL. Text.