Gaya APA
PIKUNAS, J.
(1976).
Human Development
.
Kogakusha:
McGRAW-HILL KOGAKUSHA, LTD..
Gaya MLA
PIKUNAS, Justin.
"Human Development".
Kogakusha:
McGRAW-HILL KOGAKUSHA, LTD.,
1976.
Buku.