Washington State University & Washington (State). Department of Agriculture. (1971). Washington pest control handbook. Washington State University [and] Washington State Dept. of Agriculture.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Washington State University و Washington (State). Department of Agriculture. Washington Pest Control Handbook. [Pullman?]: Washington State University [and] Washington State Dept. of Agriculture, 1971.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Washington State University و Washington (State). Department of Agriculture. Washington Pest Control Handbook. Washington State University [and] Washington State Dept. of Agriculture, 1971.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.