Doubtfire, D., & Horowicz, K. (1969). Fun with stamps for the younger collector. Hutchinsoin.
シカゴスタイル引用形Doubtfire, Dianne, , Kay Horowicz. Fun with Stamps for the Younger Collector. London: Hutchinsoin, 1969.
MLA引用形式Doubtfire, Dianne, , Kay Horowicz. Fun with Stamps for the Younger Collector. Hutchinsoin, 1969.
警告: この引用は必ずしも正確ではありません.