APA ציטוט

Gibson, N. J. (1977). Economic activity in Ireland. Dublin: Gill & Macmillan.

Trích dẫn kiểu Chicago

Gibson, Norman J. Economic Activity in Ireland. Dublin: Gill & Macmillan, 1977.

ציטוט MLA

Gibson, Norman J. Economic Activity in Ireland. Dublin: Gill & Macmillan, 1977.