Gaya APA
Popham, W, J. (2008).
Classroom assessments: What teachers need to know. (Edisi Ke-7).
New Jersey:
Distributor/Allyn Bacon..
Gaya MLA
Popham, W., James.
"Classroom assessments: What teachers need to know.".
Edisi Ke-7
New Jersey:
Distributor/Allyn Bacon.,
2008.
Prodi TBI.