APA

mackintosh j. p., . (1978). British Prime Ministers in the Twentieth Century. london: weidenfeld and nicolson.

Chicago

mackintosh john p, . 1978. British Prime Ministers in the Twentieth Century. london: weidenfeld and nicolson.

Harvard

mackintosh j. p., . (1978). British Prime Ministers in the Twentieth Century. london: weidenfeld and nicolson.

MLA

mackintosh john p, . British Prime Ministers in the Twentieth Century. london: weidenfeld and nicolson. 1978.