Παραπομπή APA

Biddle Loureide J & Biddle, W. W. (1968). Encouraging community development. Light & Life.

Παραπομπή Chicago Style

Biddle Loureide J και William W. Biddle. Encouraging Community Development. New Delhi: Light & Life, 1968.

Παραπομπή MLA

Biddle Loureide J και William W. Biddle. Encouraging Community Development. Light & Life, 1968.