Citazione APA

Ojha,T P, & Michael,A M. (2012). Principles of Agricultural Engineering (in 2 vol) (6.). jain.

Stile di citazione Chicago

Ojha,T P, e Michael,A M. Principles of Agricultural Engineering (in 2 Vol). 6. new delhi: jain, 2012.

Citazione MLA

Ojha,T P, e Michael,A M. Principles of Agricultural Engineering (in 2 Vol). 6. jain, 2012.