Παραπομπή APA

(2014). UPSC-Engineering services examination: Chapterwise solved papers 1991-2013:general ability test. G K Publications.

Παραπομπή Chicago Style

UPSC-Engineering Services Examination: Chapterwise Solved Papers 1991-2013:general Ability Test. Noida: G K Publications, 2014.

Παραπομπή MLA

UPSC-Engineering Services Examination: Chapterwise Solved Papers 1991-2013:general Ability Test. G K Publications, 2014.