Gaya APA

Schleifer, M, F. (1990). Threee centuries of American music: American opera and music for the stage eighteenth and nineteenth centuries . : G.K Hall & o.

Gaya MLA

Schleifer, Martha, Furman. "Threee centuries of American music: American opera and music for the stage eighteenth and nineteenth centuries". : G.K Hall & o, 1990. Text.