Gaya APA
Gurd, S, A. (2020).
Th e Origins of Music Th eory
in the Age of Plato (edisi revisi).
USA:
BLOOMSBURY ACADEMIC.
Gaya MLA
Gurd, Sean, Alexander.
"Th e Origins of Music Th eory
in the Age of Plato".
edisi revisi
USA:
BLOOMSBURY ACADEMIC,
2020.
Art Original.