Cita APA (7a ed.)

Lakos, Á. (1994). Etüden: Piano step by step. Könemann Music Budapest.

Cita Chicago Style (17a ed.)

Lakos, Ágnes. Etüden: Piano Step by Step. Budapest: Könemann Music Budapest, 1994.

Cita MLA (8a ed.)

Lakos, Ágnes. Etüden: Piano Step by Step. Könemann Music Budapest, 1994.