Foster Vernon, W. (1990). New Star! new health, new energy, new joy! Woodbrige.
Cita Chicago (17th ed.)Foster Vernon, W. New Star! New Health, New Energy, New Joy! Woodbrige, 1990.
Cita MLA (9th ed.)Foster Vernon, W. New Star! New Health, New Energy, New Joy! Woodbrige, 1990.
Atenció: Aquestes cites poden no estar 100% correctes.