Gaya APA
Pikunas, Justin. (1969).
Human development : an emergent science .
Amerika Serikat:
Times Roman Inc.
Gaya Chicago
Pikunas, Justin.
Human development : an emergent science.
Amerika Serikat:
Times Roman Inc,
1969.
Text.
Gaya MLA
Pikunas, Justin.
Human development : an emergent science.
Amerika Serikat:
Times Roman Inc,
1969.
Text.
Gaya Turabian
Pikunas, Justin.
Human development : an emergent science.
Amerika Serikat:
Times Roman Inc,
1969.
Print.