Singleton, L. R., Thielen, J., & Kruger, D. M. (1980). An assessment of the trophic status of Deer, Loon, and Diamond lakes. Washington State Dept. of Ecology, Water and Wastewater Monitoring Section.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Singleton, Lynn R., Jerry Thielen, و Dan M. Kruger. An Assessment of the Trophic Status of Deer, Loon, and Diamond Lakes. Olympia: Washington State Dept. of Ecology, Water and Wastewater Monitoring Section, 1980.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Singleton, Lynn R., et al. An Assessment of the Trophic Status of Deer, Loon, and Diamond Lakes. Washington State Dept. of Ecology, Water and Wastewater Monitoring Section, 1980.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.