Citazione APA

Lockey, B. (1964). Interpretation of ordinance survey maps and goegraphical picture (7th ed.). George Philip.

Stile di citazione Chicago

Lockey, B. Interpretation of Ordinance Survey Maps and Goegraphical Picture. 7th ed. London: George Philip, 1964.

Citazione MLA

Lockey, B. Interpretation of Ordinance Survey Maps and Goegraphical Picture. 7th ed. George Philip, 1964.