Gaya APA
DUNN, R., DUNN, K. (1972).
Practical approaches to individualizing instruction: .
Wes Nyack, New York:
Parker Publishing company.
Gaya MLA
DUNN, Rita., DUNN, Kenneth.
"Practical approaches to individualizing instruction:".
Wes Nyack, New York:
Parker Publishing company,
1972.
Buku.