Penggayaan APA
PIAGET, Jean. (1941).
The Child's conception of number .
London:
Routledge & Kegan Paul.
Chicago Style
PIAGET, Jean.
The Child's conception of number.
London:
Routledge & Kegan Paul,
1941.
Buku.
MLA Style
PIAGET, Jean.
The Child's conception of number.
London:
Routledge & Kegan Paul,
1941.
Buku.
Turabian Style
PIAGET, Jean.
The Child's conception of number.
London:
Routledge & Kegan Paul,
1941.
Buku.