Παραπομπή APA

Likens, G. E. (2009). Encyclopedia of inland waters. Elsevier.

Παραπομπή Chicago Style

Likens, Gene E. Encyclopedia of Inland Waters. Amsterdam: Elsevier, 2009.

Παραπομπή MLA

Likens, Gene E. Encyclopedia of Inland Waters. Elsevier, 2009.