APA

humphrey، paul, . (1993). what was it like before cars ?. LONDON: George , G. Harrap،.

Chicago

humphrey، paul, . 1993. what was it like before cars ?. LONDON: George , G. Harrap،.

Harvard

humphrey، paul, . (1993). what was it like before cars ?. LONDON: George , G. Harrap،.

MLA

humphrey، paul, . what was it like before cars ?. LONDON: George , G. Harrap،. 1993.