APA ציטוט

Holden, A. (2001). The new Penguin opera guide ([new ed.].). London: Penguin.

Παραπομπή Chicago Style

Holden, Amanda. The New Penguin Opera Guide. [new ed.]. London: Penguin, 2001.

ציטוט MLA

Holden, Amanda. The New Penguin Opera Guide. [new ed.]. London: Penguin, 2001.