Henderson, G. C. (1907). Sir George Grey, pioneer of Empire in southern lands. Dent.
Cita Chicago (17th ed.)Henderson, G. C. Sir George Grey, Pioneer of Empire in Southern Lands. London: Dent, 1907.
Cita MLA (9th ed.)Henderson, G. C. Sir George Grey, Pioneer of Empire in Southern Lands. Dent, 1907.
Atenció: Aquestes cites poden no estar 100% correctes.