World Health Organization (4 February 2000). "Hepatitis A Vaccines"(PDF). Weekly epidemiological record. World Health Organization. 75: 37–44. ISSN0049-8114. Diarsipkan dari versi asli(PDF) tanggal 2014-12-26. Diakses tanggal 20 February 2014.
World Health Organization (2 October 2009). "Hepatitis B Vaccines"(PDF). Weekly epidemiological review. World Health Organization. 84: 405–420. ISSN0049-8114. Diarsipkan dari versi asli(PDF) tanggal 2015-03-06. Diakses tanggal 20 February 2014.
who.int
World Health Organization (4 February 2000). "Hepatitis A Vaccines"(PDF). Weekly epidemiological record. World Health Organization. 75: 37–44. ISSN0049-8114. Diarsipkan dari versi asli(PDF) tanggal 2014-12-26. Diakses tanggal 20 February 2014.
World Health Organization (2 October 2009). "Hepatitis B Vaccines"(PDF). Weekly epidemiological review. World Health Organization. 84: 405–420. ISSN0049-8114. Diarsipkan dari versi asli(PDF) tanggal 2015-03-06. Diakses tanggal 20 February 2014.
worldcat.org
World Health Organization (4 February 2000). "Hepatitis A Vaccines"(PDF). Weekly epidemiological record. World Health Organization. 75: 37–44. ISSN0049-8114. Diarsipkan dari versi asli(PDF) tanggal 2014-12-26. Diakses tanggal 20 February 2014.
World Health Organization (2 October 2009). "Hepatitis B Vaccines"(PDF). Weekly epidemiological review. World Health Organization. 84: 405–420. ISSN0049-8114. Diarsipkan dari versi asli(PDF) tanggal 2015-03-06. Diakses tanggal 20 February 2014.