Critchfield, H. J. (1978). Sunshine and solar radiation in Washington State. Office of the State Climatologist, Western Washington University.
Style de citation Chicago (17e éd.)Critchfield, Howard J. Sunshine and Solar Radiation in Washington State. Bellingham, Wash.: Office of the State Climatologist, Western Washington University, 1978.
Style de citation MLA (8e éd.)Critchfield, Howard J. Sunshine and Solar Radiation in Washington State. Office of the State Climatologist, Western Washington University, 1978.
Attention : ces citations peuvent ne pas être correctes à 100%.