Παραπομπή APA

Uma Bhatnagar. (2010). Geoinformatics: Applications in agriculture. OBC.

Παραπομπή Chicago Style

Uma Bhatnagar. Geoinformatics: Applications in Agriculture. Jaipur: OBC, 2010.

Παραπομπή MLA

Uma Bhatnagar. Geoinformatics: Applications in Agriculture. OBC, 2010.