Παραπομπή APA

Bell, G., Hyma, B., & O'Brady, H. (1968). Annotated bibliography of the pattern and dynamics of rural settlements. Pittsburgh: [s.n.].

Παραπομπή Chicago Style

Bell, Gwendolyn, B. Hyma, and H. O'Brady. Annotated Bibliography of the Pattern and Dynamics of Rural Settlements. Pittsburgh: [s.n.], 1968.

Παραπομπή MLA

Bell, Gwendolyn, B. Hyma, and H. O'Brady. Annotated Bibliography of the Pattern and Dynamics of Rural Settlements. Pittsburgh: [s.n.], 1968.

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