APA引文

Griffiths, B. (1975). Invisible barriers to invisible trade. Macmillan for the Trade Policy Research Centre.

Chicago Style (17th ed.) Citation

Griffiths, Brian. Invisible Barriers to Invisible Trade. London [etc.]: Macmillan for the Trade Policy Research Centre, 1975.

MLA引文

Griffiths, Brian. Invisible Barriers to Invisible Trade. Macmillan for the Trade Policy Research Centre, 1975.

警告：這些引文格式不一定是100％准確.