Dyfyniad APA

(1993). Chemistry for Civil services Examination Prelimanary Screening Test. Competition Review.

Dyfyniad Arddull Chicago

Chemistry for Civil Services Examination Prelimanary Screening Test. New Delhi: Competition Review, 1993.

Dyfyniad MLA

Chemistry for Civil Services Examination Prelimanary Screening Test. Competition Review, 1993.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.