Thomas, R. (1971). Exercises in Graphic Communication. ELBS & Nelson.
シカゴスタイル引用形Thomas, R. Exercises in Graphic Communication. Middlesex: ELBS & Nelson, 1971.
MLA引用形式Thomas, R. Exercises in Graphic Communication. ELBS & Nelson, 1971.
警告: この引用は必ずしも正確ではありません.