APA

Senan K. C. e. a., . (1968). Pre-degree chemistry. : .

Chicago

Senan K C et al, . 1968. Pre-degree chemistry. : .

Harvard

Senan K. C. e. a., . (1968). Pre-degree chemistry. : .

MLA

Senan K C et al, . Pre-degree chemistry. : . 1968.