Gaya APA
BAY,S, M. ().
Guitar Method Grade 1 2 3 4 5 6 7 Geat Guitar at Your Fingertips .
New York:
INC, Pacific Missouri.
Gaya MLA
BAY,S, Mel.
"Guitar Method Grade 1 2 3 4 5 6 7 Geat Guitar at Your Fingertips".
New York:
INC, Pacific Missouri,
.
BUKU.