Gaya APA
LIE, A. (2001).
Cooperative Learning : mempraktikkan cooperative learning di ruang-ruang kelas (cet. 3).
Jakarta:
Grasindo.
Gaya MLA
LIE, Anita.
"Cooperative Learning : mempraktikkan cooperative learning di ruang-ruang kelas".
cet. 3
Jakarta:
Grasindo,
2001.
Buku.