APA (7e ed.) Bronvermelding

Frommer, A., & Arthur, H. (1980). Europe on a 15 a day (23rd ed.). The Frommer/Pasmantier Pub. Corp.

Chicago (17e ed.) Bronvermelding

Frommer, Arthur, en Hope Arthur. Europe on a 15 a Day. 23rd ed. New York, N.Y: The Frommer/Pasmantier Pub. Corp, 1980.

MLA (9e ed.) Bronvermelding

Frommer, Arthur, en Hope Arthur. Europe on a 15 a Day. 23rd ed. The Frommer/Pasmantier Pub. Corp, 1980.