Frommer, A. (1973). Happy Holland. Pasmantier.
Cita Chicago (17th ed.)Frommer, Arthur. Happy Holland. New York: Pasmantier, 1973.
Cita MLA (9th ed.)Frommer, Arthur. Happy Holland. Pasmantier, 1973.
Atenció: Aquestes cites poden no estar 100% correctes.