APA (7e ed.) Bronvermelding

Gershwin, G., & Meij, J. d. (1991). Two Songs from "Porgy & Bess": For solo voice, choir and band / George & Ira Gershwin. Arr. Johan de Meij (Full score.). Molenaar.

Chicago (17e ed.) Bronvermelding

Gershwin, George, en Johan de Meij. Two Songs from "Porgy & Bess": For Solo Voice, Choir and Band / George & Ira Gershwin. Arr. Johan De Meij. Full score. Wormerveer, Holland: Molenaar, 1991.

MLA (8e ed.) Bronvermelding

Gershwin, George, en Johan de Meij. Two Songs from "Porgy & Bess": For Solo Voice, Choir and Band / George & Ira Gershwin. Arr. Johan De Meij. Full score. Molenaar, 1991.