Gaya APA
Hyun, F., W. (2012).
HOW TO DESIGN AND EVALUATE RESEARCH IN EDUCATION (8).
New York:
MC Graw-Hill International.
Gaya MLA
Fraenkel, Wallen,, Hyun.
"HOW TO DESIGN AND EVALUATE RESEARCH IN EDUCATION".
8
New York:
MC Graw-Hill International,
2012.
Buku Inti.