Gaya APA
Whitehurst, G, J, &, V, R.
(1977).
Child Behavior
.
Boston:
Houghton Mifflin Company.
Gaya MLA
Whitehurst, Grover, J., &, Vasta,, Ross.
"Child Behavior".
Boston:
Houghton Mifflin Company,
1977.
Text.