Gaya APA
Doll, R., C. (1973).
CURRICULUM IMPROVEMENT : DECISION-MAKING AND PROCESS (Second edition).
Purwokerta:
Allyn and Bacon.
Gaya MLA
Doll, R., C..
CURRICULUM IMPROVEMENT : DECISION-MAKING AND PROCESS.
Second edition
Purwokerta:
Allyn and Bacon,
1973.
Umum.