Hubbard, L. (2012). HORTICULTURE FOR A GREENER WORLD. Bridge publications.
芝加哥风格引文Hubbard, L.R. HORTICULTURE FOR A GREENER WORLD. USA: Bridge publications, 2012.
MLA引文Hubbard, L.R. HORTICULTURE FOR A GREENER WORLD. Bridge publications, 2012.
警告：这些引文格式不一定是100％准确.