Παραπομπή APA

Benjamin N D, H. (1981). Everybody's guide to nature cure. Thorsons.

Παραπομπή Chicago Style

Benjamin N D, Harry. Everybody's Guide to Nature Cure. Wellingborough: Thorsons, 1981.

Παραπομπή MLA

Benjamin N D, Harry. Everybody's Guide to Nature Cure. Thorsons, 1981.