Gaya APA
R., H, C. (1984).
A CONCISE INTRODUCTION TO MUSIC LISTENING (3rd ed).
Belmont,california:
Wadsworth Publishing Company.
Gaya MLA
R., HOFFER, Charles.
"A CONCISE INTRODUCTION TO MUSIC LISTENING".
3rd ed
Belmont,california:
Wadsworth Publishing Company,
1984.
Textbook.