New Zealand. Soil Bureau. (1962). Soil Bureau handbook. New Zealand Dept. of Scientific and Industrial Research.
Lua i Stíl Chicago (17ú heag.)New Zealand. Soil Bureau. Soil Bureau Handbook. [Wellington]: New Zealand Dept. of Scientific and Industrial Research, 1962.
Lua MLA (8ú heag.)New Zealand. Soil Bureau. Soil Bureau Handbook. New Zealand Dept. of Scientific and Industrial Research, 1962.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.