APA

Barber B., Barber E. G., . (1965). European social class. New York : 1b Macmillan: .

Chicago

Barber Bernard, Barber Elinor G, . 1965. European social class. New York : 1b Macmillan: .

Harvard

Barber B., Barber E. G., . (1965). European social class. New York : 1b Macmillan: .

MLA

Barber Bernard, Barber Elinor G, . European social class. New York : 1b Macmillan: . 1965.