Gaya APA
HORACEK, Leo and LETKOPFF, Gerald. (1970).
Programed Ear Training Volume 1 Intervals .
New York:
Harcourt.
Gaya Chicago
HORACEK, Leo and LETKOPFF, Gerald.
Programed Ear Training Volume 1 Intervals.
New York:
Harcourt,
1970.
BUKU.
Gaya MLA
HORACEK, Leo and LETKOPFF, Gerald.
Programed Ear Training Volume 1 Intervals.
New York:
Harcourt,
1970.
BUKU.
Gaya Turabian
HORACEK, Leo and LETKOPFF, Gerald.
Programed Ear Training Volume 1 Intervals.
New York:
Harcourt,
1970.
BUKU.