Cooper, J. G., Anderson, A. R., & Buckingham, N. M. (1994). Plant life of Washington Territory: Northern Pacific Railroad survey, botanical report, 1853-1861. Washington Native Plant Society.
Цитирование в стиле Чикаго (17-е изд.)Cooper, J. G., Alice Racer Anderson, и Nelsa M. Buckingham. Plant Life of Washington Territory: Northern Pacific Railroad Survey, Botanical Report, 1853-1861. Woodinville, WA: Washington Native Plant Society, 1994.
Цитирование MLA (8-е изд.)Cooper, J. G., et al. Plant Life of Washington Territory: Northern Pacific Railroad Survey, Botanical Report, 1853-1861. Washington Native Plant Society, 1994.
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