APA

Martyn J., Lancaster F. W., . (1981). Investigative methods in library and information science: an introduction. Arlington, Va: Information Resources Press.

Chicago

Martyn John, Lancaster Frederick Wilfrid, . 1981. Investigative methods in library and information science: an introduction. Arlington, Va: Information Resources Press.

Harvard

Martyn J., Lancaster F. W., . (1981). Investigative methods in library and information science: an introduction. Arlington, Va: Information Resources Press.

MLA

Martyn John, Lancaster Frederick Wilfrid, . Investigative methods in library and information science: an introduction. Arlington, Va: Information Resources Press. 1981.