APA引文

(1968). Services for British exporters. London: H.M. Stationery Off.

Trích dẫn kiểu Chicago

Services for British Exporters. London: H.M. Stationery Off, 1968.

MLA引文

Services for British Exporters. London: H.M. Stationery Off, 1968.

警告：这些引文格式不一定是100％准确.