Não informado. (1973). Annual journal. Royal New Zealand Institute of Horticulture.
Style de citation Chicago (17e éd.)Não informado. Annual Journal. Christchurch, Nova Zelandia: Royal New Zealand Institute of Horticulture, 1973.
Style de citation MLA (8e éd.)Não informado. Annual Journal. Royal New Zealand Institute of Horticulture, 1973.
Attention : ces citations peuvent ne pas être correctes à 100%.