Gaya APA

Dufour, R. (1978). Tandem: action in interaction / Richard Dufour, Jack Strauss . : National Texbook.

Gaya MLA

Dufour, Richard. "Tandem: action in interaction / Richard Dufour, Jack Strauss". : National Texbook, 1978. Pendidikan Islam Anak Usia Dini.