Critchfield, H. J. (1978). Sunshine and solar radiation in Washington State. Office of the State Climatologist, Western Washington University.
Chicago Style (17th ed.) CitationCritchfield, Howard J. Sunshine and Solar Radiation in Washington State. Bellingham, Wash.: Office of the State Climatologist, Western Washington University, 1978.
MLA引文Critchfield, Howard J. Sunshine and Solar Radiation in Washington State. Office of the State Climatologist, Western Washington University, 1978.
警告：這些引文格式不一定是100％准確.