APA

Swartz J. P., . (1971). The collegiate class piano course. New York: .

Chicago

Swartz Jack P, . 1971. The collegiate class piano course. New York: .

Harvard

Swartz J. P., . (1971). The collegiate class piano course. New York: .

MLA

Swartz Jack P, . The collegiate class piano course. New York: . 1971.