RATNA SAGAR. (2013). COLLINS GRAMMAR IN ACTION - 3. RATNA SAGAR.
Chicago Style aipamenaRATNA SAGAR. COLLINS GRAMMAR IN ACTION - 3. RATNA SAGAR, 2013.
MLA aipamenaRATNA SAGAR. COLLINS GRAMMAR IN ACTION - 3. RATNA SAGAR, 2013.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.