APA引文

Levialdis. (1989). 1989 IEEE workshop on visual languages. VL Foundation: California.

Chicago Edition Citation

Levialdis. 1989 IEEE Workshop on Visual Languages. VL Foundation: California, 1989.

MLA引文

Levialdis. 1989 IEEE Workshop on Visual Languages. VL Foundation: California, 1989.

警告：这些引文格式不一定是100％准确.