Gaya APA
Learning together and alone: Cooperative, competitive, and individualistic learning. (1987).
New Jersey:
Preatice-Hall.
Gaya Chicago
Learning together and alone: Cooperative, competitive, and individualistic learning.
2.
New Jersey:
Preatice-Hall,
1987.
Buku.
Gaya MLA
Learning together and alone: Cooperative, competitive, and individualistic learning.
2.
New Jersey:
Preatice-Hall,
1987.
Buku.
Gaya Turabian
Learning together and alone: Cooperative, competitive, and individualistic learning.
New Jersey:
Preatice-Hall,
1987.
Buku.