Παραπομπή APA

Sree Ramulu, U. S. (2001). Reuse of municipal sewage and sludge in agriculture.

Παραπομπή Chicago Style

Sree Ramulu, U S. Reuse of Municipal Sewage and Sludge in Agriculture. Jodhpur, Scientific Publishers, 2001.

Παραπομπή MLA

Sree Ramulu, U S. Reuse of Municipal Sewage and Sludge in Agriculture. 2001.