Gaya APA

Ellis, Mark. (1994). Harmony Workbook (1). : Muzikal.

Gaya Chicago

Ellis, Mark. Harmony Workbook. 1 : Muzikal, 1994. Non Fiction.

Gaya MLA

Ellis, Mark. Harmony Workbook. 1 : Muzikal, 1994. Non Fiction.

Gaya Turabian

Ellis, Mark. Harmony Workbook. 1 : Muzikal, 1994. Non Fiction.