O'Rourke, M. J., & Wrenn, P. D. (2004). Snow loads: A guide to the use and understanding of the snow load provisions of ASCE 7-02. American Society of Civil Engineers. https://doi.org/10.1061/9780784407257
芝加哥风格引文O'Rourke, Michael J., 与 Peter D. Wrenn. Snow Loads: A Guide to the Use and Understanding of the Snow Load Provisions of ASCE 7-02. Reston, VA: American Society of Civil Engineers, 2004. https://doi.org/10.1061/9780784407257.
MLA引文O'Rourke, Michael J., 与 Peter D. Wrenn. Snow Loads: A Guide to the Use and Understanding of the Snow Load Provisions of ASCE 7-02. American Society of Civil Engineers, 2004. https://doi.org/10.1061/9780784407257.
警告：这些引文格式不一定是100％准确.