APA

Allen J., Davies A., . (1977). Testing and experimental methods. London: University Press.

Chicago

Allen J.P.B, Davies Alan, . 1977. Testing and experimental methods. London: University Press.

Harvard

Allen J., Davies A., . (1977). Testing and experimental methods. London: University Press.

MLA

Allen J.P.B, Davies Alan, . Testing and experimental methods. London: University Press. 1977.