توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

Symposium on Sampling of Soil and Rock, Toronto, & ASTM Committee D-18 on Soil and Rock for Engineering Purposes. (1971). Sampling of soil and rock. American Society for Testing and Materials.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Symposium on Sampling of Soil and Rock, Toronto, و ASTM Committee D-18 on Soil and Rock for Engineering Purposes. Sampling of Soil and Rock. Philadelphia: American Society for Testing and Materials, 1971.

توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)

Symposium on Sampling of Soil and Rock, Toronto, و ASTM Committee D-18 on Soil and Rock for Engineering Purposes. Sampling of Soil and Rock. American Society for Testing and Materials, 1971.