Παραπομπή APA

Duffy, G. G. (1974). Reading in the middle school. International Reading Association.

Παραπομπή Chicago Style

Duffy, Gerald G. Reading in the Middle School. Newark, Del.: International Reading Association, 1974.

Παραπομπή MLA

Duffy, Gerald G. Reading in the Middle School. International Reading Association, 1974.