APA استشهاد

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

استشهاد بنمط شيكاغو

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

MLA استشهاد

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