Παραπομπή APA

Beresford, M. W., & Jones, G. R. J. (1967). Leeds and its region. Leeds: British Association for the Advancement of Science.

Παραπομπή Chicago Style

Beresford, M. W., and G. R. J. Jones. Leeds and Its Region. Leeds: British Association for the Advancement of Science, 1967.

Παραπομπή MLA

Beresford, M. W., and G. R. J. Jones. Leeds and Its Region. Leeds: British Association for the Advancement of Science, 1967.

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