APA引文

Sopper, W. E. (1993). Municipal sludge use in land reclamation. Lewis Publishers.

Chicago Style (17th ed.) Citation

Sopper, William E. Municipal Sludge Use in Land Reclamation. Boca Raton: Lewis Publishers, 1993.

MLA引文

Sopper, William E. Municipal Sludge Use in Land Reclamation. Lewis Publishers, 1993.