APA

European Piano Teachers Association, . (1980). Piano journal. London: EPTA (European Piano Teachers Association).

Chicago

European Piano Teachers Association, . 1980. Piano journal. London: EPTA (European Piano Teachers Association).

Harvard

European Piano Teachers Association, . (1980). Piano journal. London: EPTA (European Piano Teachers Association).

MLA

European Piano Teachers Association, . Piano journal. London: EPTA (European Piano Teachers Association). 1980.