Não informado. (1973). Annual journal. Royal New Zealand Institute of Horticulture.
Cita Chicago Style (17a ed.)Não informado. Annual Journal. Christchurch, Nova Zelandia: Royal New Zealand Institute of Horticulture, 1973.
Cita MLA (8a ed.)Não informado. Annual Journal. Royal New Zealand Institute of Horticulture, 1973.
Precaución: Estas citas no son 100% exactas.