Trích dẫn APA

(1998). Engineering services examination: Papers solved and unsolved in general studies (2nd ed.). G.K.

Trích dẫn kiểu Chicago

Engineering Services Examination: Papers Solved and Unsolved in General Studies. 2nd ed. Jabalpur: G.K, 1998.

Trích dẫn MLA

Engineering Services Examination: Papers Solved and Unsolved in General Studies. 2nd ed. G.K, 1998.

Cảnh báo: Các trích dẫn này có thể không phải lúc nào cũng chính xác 100%.