본문

Multilingual
21
Gould, J P., 320.1-G697m | Richard D.Irwin | 1980 320.1-G697m,
22
Ferguson, George A., 413.8-F353s | McGraw-Hill | 1983 413.8-F353s,
23
Ferguson, Ann, 337-F352s | Westview Press | 1991 337-F352s,
24
Haught, Dan, 005.74-H371j | 비앤씨 | 1996 005.74-H371j,
25
굴드, 320.1-굴27미 | 比峰出版社 | 1991 320.1-굴27미,