Gaya APA
Safrit, M, J.
(1981).
Evaluation in physica education
(
2nd ed.)
.
Englewood Cliffs:
Prentice-Hall.
Gaya MLA
Safrit, Margaret, J..
"Evaluation in physica education".
2nd ed.
Englewood Cliffs:
Prentice-Hall,
1981.
Text.