Gaya APA

Swanson, C, P., Hassard, J. (NULL). Minds on science middle and secondary school methods . New: New York: Harper Collin; 1992.

Gaya MLA

Swanson, Carl, P.., Hassard, Jack. "Minds on science middle and secondary school methods". New: New York: Harper Collin; 1992, NULL. Text.