Van Oirschot, J. T. (1980). Persistent and inapparent infectionss with swine fever virus of low virulence: Their effects on the immune system. Rijksuniversiteit te Utrecht.
Chicago-referens (17:e uppl.)Van Oirschot, Johannes Theodorus. Persistent and Inapparent Infectionss with Swine Fever Virus of Low Virulence: Their Effects on the Immune System. Utrecht: Rijksuniversiteit te Utrecht, 1980.
MLA-referens (8:e uppl.)Van Oirschot, Johannes Theodorus. Persistent and Inapparent Infectionss with Swine Fever Virus of Low Virulence: Their Effects on the Immune System. Rijksuniversiteit te Utrecht, 1980.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.