APA

O'BRIEN P., . (1968). The long-term growth of agricultural production in Egypt. Londres: Oxford University Press.

Chicago

O'BRIEN Patrick, . 1968. The long-term growth of agricultural production in Egypt. Londres: Oxford University Press.

Harvard

O'BRIEN P., . (1968). The long-term growth of agricultural production in Egypt. Londres: Oxford University Press.

MLA

O'BRIEN Patrick, . The long-term growth of agricultural production in Egypt. Londres: Oxford University Press. 1968.