Gaya APA

Millan, J, H., Sally, I, S. (NULL). Research in education a conceptual introduction . New: New York: HarperCollinsCollege; 1993.

Gaya MLA

Millan, James, H.., Sally, I., Schumacher,. "Research in education a conceptual introduction". New: New York: HarperCollinsCollege; 1993, NULL. Text.