Lancaster, F. W. (1979). Information retrieval systems: Characteristics, testing and evaluation (2nd ed.). John Wiley & Sons.
Citace podle Chicago (17th ed.)Lancaster, F. Wilfrid. Information Retrieval Systems: Characteristics, Testing and Evaluation. 2nd ed. New York: John Wiley & Sons, 1979.
Citace podle MLA (9th ed.)Lancaster, F. Wilfrid. Information Retrieval Systems: Characteristics, Testing and Evaluation. 2nd ed. John Wiley & Sons, 1979.
Upozornění: Tyto citace jsou generovány automaticky. Nemusí být zcela správně podle citačních pravidel..