APA引文

Griffiths,Brian. (1975). Invisible barriers to invisible trade. Mac Millan.

Chicago Edition Citation

Griffiths,Brian. Invisible Barriers to Invisible Trade. London: Mac Millan, 1975.

MLA引文

Griffiths,Brian. Invisible Barriers to Invisible Trade. Mac Millan, 1975.

警告：这些引文格式不一定是100％准确.