Greaves, A. (1979). Descriptions of seed sources and collections for provenances of Pinus oocarpa. Commenwealth Forestry Institute, University of Oxford.
芝加哥风格引文Greaves, A. Descriptions of Seed Sources and Collections for Provenances of Pinus Oocarpa. Commenwealth Forestry Institute, University of Oxford, 1979.
MLA引文Greaves, A. Descriptions of Seed Sources and Collections for Provenances of Pinus Oocarpa. Commenwealth Forestry Institute, University of Oxford, 1979.
警告：这些引文格式不一定是100％准确.