APA

Vishnoi H. S. e. a., . (1975). Objective evaluation: Physics, chemistry and biology. : Macmillan Company of Canada, Toronto.

Chicago

Vishnoi H S et al, . 1975. Objective evaluation: Physics, chemistry and biology. : Macmillan Company of Canada, Toronto.

Harvard

Vishnoi H. S. e. a., . (1975). Objective evaluation: Physics, chemistry and biology. : Macmillan Company of Canada, Toronto.

MLA

Vishnoi H S et al, . Objective evaluation: Physics, chemistry and biology. : Macmillan Company of Canada, Toronto. 1975.