Dyfyniad APA

Doubtfire, D., & Horowicz, K. (1969). Fun with stamps for the younger collector. Hutchinsoin.

Dyfyniad Arddull Chicago

Doubtfire, Dianne, and Kay Horowicz. Fun with Stamps for the Younger Collector. London: Hutchinsoin, 1969.

Dyfyniad MLA

Doubtfire, Dianne, and Kay Horowicz. Fun with Stamps for the Younger Collector. Hutchinsoin, 1969.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.