Gaya APA
Kay, William. (1970).
Moral Development (1).
London:
George Allen and Unwin LTD.
Gaya Chicago
Kay, William.
Moral Development.
1
London:
George Allen and Unwin LTD,
1970.
Text.
Gaya MLA
Kay, William.
Moral Development.
1
London:
George Allen and Unwin LTD,
1970.
Text.
Gaya Turabian
Kay, William.
Moral Development.
1
London:
George Allen and Unwin LTD,
1970.
Print.