Skeel, S. (1990). There's gold in giving. [s.n.].
Cita Chicago Style (17a ed.)Skeel, Shirley. There's Gold in Giving. [S.l.]: [s.n.], 1990.
Cita MLA (9a ed.)Skeel, Shirley. There's Gold in Giving. [s.n.], 1990.
Precaución: Estas citas no son 100% exactas.