APA (7. basım) Alıntı

Ospick, F. D. (2002). Time-on-task and pupil achievement in science: Effects of instructional leadership.

Chicago Style (17. basım) Atıf

Ospick, Flordelina D. Time-on-task and Pupil Achievement in Science: Effects of Instructional Leadership. 2002.

MLA (9th ed.) Atıf

Ospick, Flordelina D. Time-on-task and Pupil Achievement in Science: Effects of Instructional Leadership. 2002.