Penggayaan APA

BUTZIN, Sarah M.. (-). Joyful classrooms : . Bloomington: Phi Delta Kappa International.

Chicago Style

BUTZIN, Sarah M.. Joyful classrooms :. Bloomington: Phi Delta Kappa International, -. Text.

MLA Style

BUTZIN, Sarah M.. Joyful classrooms :. Bloomington: Phi Delta Kappa International, -. Text.

Turabian Style

BUTZIN, Sarah M.. Joyful classrooms :. Bloomington: Phi Delta Kappa International, -. Print.