Gaya APA

Gordon, I, J. (1972). Early Childhood Education: the seventy-first yearnook of the national society for the study of education (Pertama, Cet.1). Chicago: The University of Chicago Press.

Gaya MLA

Gordon, Ira, J. "Early Childhood Education: the seventy-first yearnook of the national society for the study of education". Pertama, Cet.1 Chicago: The University of Chicago Press, 1972. Text.