Gaya APA
Cohan, Louis, Manion, Lawrence. (2001).
Research methods in education (5e).
London:
Routledge Falmer.
Gaya Chicago
Cohan, Louis, Manion, Lawrence.
Research methods in education.
5e
London:
Routledge Falmer,
2001.
Buku.
Gaya MLA
Cohan, Louis, Manion, Lawrence.
Research methods in education.
5e
London:
Routledge Falmer,
2001.
Buku.
Gaya Turabian
Cohan, Louis, Manion, Lawrence.
Research methods in education.
5e
London:
Routledge Falmer,
2001.
Buku.