Cita APA (7a ed.)
Hill, N. Popular Crosswords: June 1978. CBS Publications.
Cita estilo Chicago (17a ed.)
Hill, Norman. Popular Crosswords: June 1978. Nueva York, EUA: CBS Publications.
Cita MLA (9a ed.)
Hill, Norman. Popular Crosswords: June 1978. CBS Publications.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.