Cita APA (7th ed.)
Turner, P. (1969). Commerce of New Africa. Thomas Nelson and sons ltd..
Cita Chicago (17th ed.)
Turner, P.H. Commerce of New Africa. Surrey: Thomas Nelson and sons ltd., 1969.
Cita MLA (9th ed.)
Turner, P.H. Commerce of New Africa. Thomas Nelson and sons ltd., 1969.
Atenció: Aquestes cites poden no estar 100% correctes.