APA

Agarwal R N, . (1965). Systems of psychology and learning theories. Agra, India: Lakshmi Narain Agarwal.

Chicago

Agarwal R N, . 1965. Systems of psychology and learning theories. Agra, India: Lakshmi Narain Agarwal.

Harvard

Agarwal R N, . (1965). Systems of psychology and learning theories. Agra, India: Lakshmi Narain Agarwal.

MLA

Agarwal R N, . Systems of psychology and learning theories. Agra, India: Lakshmi Narain Agarwal. 1965.