Okawa, K. (1972). Differential structure and agriculture: Essays on dualistic growth. Kinokuniya Bookstore Co.
Cita Chicago (17th ed.)Okawa, Kazushi. Differential Structure and Agriculture: Essays on Dualistic Growth. Tokyo: Kinokuniya Bookstore Co, 1972.
Cita MLA (9th ed.)Okawa, Kazushi. Differential Structure and Agriculture: Essays on Dualistic Growth. Kinokuniya Bookstore Co, 1972.
Atenció: Aquestes cites poden no estar 100% correctes.