APA

Roccasalvo J, . (1986). The Plainchant Tradition of Southwestern Rus'. New York: Columbia University Press.

Chicago

Roccasalvo J, . 1986. The Plainchant Tradition of Southwestern Rus'. New York: Columbia University Press.

Harvard

Roccasalvo J, . (1986). The Plainchant Tradition of Southwestern Rus'. New York: Columbia University Press.

MLA

Roccasalvo J, . The Plainchant Tradition of Southwestern Rus'. New York: Columbia University Press. 1986.