APA (7th ed.) Zitazioa

Tropical Diseases, Travel Medicine and Vaccines. BioMed Central.

Chicago Style (17th ed.) Zitazioa

Tropical Diseases, Travel Medicine and Vaccines. BioMed Central.

MLA (9th ed.) Zitazioa

Tropical Diseases, Travel Medicine and Vaccines. BioMed Central.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.