Gaya APA
PHILLIPS, John L. (1975).
The Origins of Intellect Piaget s Theory (2nd.ed).
New York:
W.H Freeman and Company.
Gaya Chicago
PHILLIPS, John L.
The Origins of Intellect Piaget s Theory.
2nd.ed
New York:
W.H Freeman and Company,
1975.
Teks.
Gaya MLA
PHILLIPS, John L.
The Origins of Intellect Piaget s Theory.
2nd.ed
New York:
W.H Freeman and Company,
1975.
Teks.
Gaya Turabian
PHILLIPS, John L.
The Origins of Intellect Piaget s Theory.
2nd.ed
New York:
W.H Freeman and Company,
1975.
Teks.