Gaya APA

Swanson, C, P., Cooper, J, M. (NULL). Classroom teaching skills: a handbook . [s.n]:: [s.n]: University of Houston; [s.a].

Gaya MLA

Swanson, Carl, P.., Cooper, James, M.. "Classroom teaching skills: a handbook". [s.n]:: [s.n]: University of Houston; [s.a], NULL. Text.