Oliver, E. G. H., & Oliver, I. M. (2001). Four new species of ,<i>Erica</i> (Ericaceae) from Western Cape, South Africa. South African National Biodiversity Institut.
芝加哥风格引文Oliver, E. G. H., 与 I. M. Oliver. Four New Species of ,<i>Erica</i> (Ericaceae) from Western Cape, South Africa. South African National Biodiversity Institut, 2001.
MLA引文Oliver, E. G. H., 与 I. M. Oliver. Four New Species of ,<i>Erica</i> (Ericaceae) from Western Cape, South Africa. South African National Biodiversity Institut, 2001.
警告：这些引文格式不一定是100％准确.