Citação norma APA

Mittal, P., & Mittal, R. (1999). Conventional and objective type questions and answers on Civil Engineering for competition. G.K. Publishers Pvt Ltd.

Citação norma Chicago

Mittal, P., and R. Mittal. Conventional and Objective Type Questions and Answers on Civil Engineering for Competition. Jabalpur: G.K. Publishers Pvt Ltd, 1999.

Citação norma MLA

Mittal, P., and R. Mittal. Conventional and Objective Type Questions and Answers on Civil Engineering for Competition. G.K. Publishers Pvt Ltd, 1999.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.