APA

Roetter R., . (2008). Science for agriculture and rural development in low income countries. New york: Springer.

Chicago

Roetter R.P, . 2008. Science for agriculture and rural development in low income countries. New york: Springer.

Harvard

Roetter R., . (2008). Science for agriculture and rural development in low income countries. New york: Springer.

MLA

Roetter R.P, . Science for agriculture and rural development in low income countries. New york: Springer. 2008.