APA

(1974). Technical & specalised periodicals published in britain. London: Central office of International.

Chicago

1974. Technical & specalised periodicals published in britain. London: Central office of International.

Harvard

(1974). Technical & specalised periodicals published in britain. London: Central office of International.

MLA

Technical & specalised periodicals published in britain. London: Central office of International. 1974.