Catalog

توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

Doig, I. (1976). Early forestry research: A history of the Pacific Northwest Forest & Range Experiment Station, 1925-1975. Forest Service, U.S. Dept. of Agriculture.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Doig, Ivan. Early Forestry Research: A History of the Pacific Northwest Forest & Range Experiment Station, 1925-1975. [Washington: Forest Service, U.S. Dept. of Agriculture, 1976.

توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)

Doig, Ivan. Early Forestry Research: A History of the Pacific Northwest Forest & Range Experiment Station, 1925-1975. Forest Service, U.S. Dept. of Agriculture, 1976.