Barnes, R., Filer, D., & Milton, S. (1996). Acacia karroo: Monograph and annotated bibliography. Oxford Forestry Institute, University of Oxford.
芝加哥风格引文Barnes, R., D. Filer, 与 S. Milton. Acacia Karroo: Monograph and Annotated Bibliography. Oxford Forestry Institute, University of Oxford, 1996.
MLA引文Barnes, R., et al. Acacia Karroo: Monograph and Annotated Bibliography. Oxford Forestry Institute, University of Oxford, 1996.
警告：这些引文格式不一定是100％准确.