Holland, P., & Johnston, W. (1987). Southern approaches: Geography in New Zealand. New Zealand Geographical Society.
Cita Chicago (17th ed.)Holland, P.G, i W.B Johnston. Southern Approaches: Geography in New Zealand. Christchurch, New Zealand: New Zealand Geographical Society, 1987.
Cita MLA (9th ed.)Holland, P.G, i W.B Johnston. Southern Approaches: Geography in New Zealand. New Zealand Geographical Society, 1987.
Atenció: Aquestes cites poden no estar 100% correctes.