Yepsen, R. (1984). The encyclopedia of natural insect disease control: The most comprehensive guide to protecting plants - vegetables, fruit, flowers,trees, and lawns - without toxic chemicals. Pennsylvania (EUA): Rodale Preá.
Chicago Style CitationYepsen, R.B. The Encyclopedia of Natural Insect Disease Control: The Most Comprehensive Guide to Protecting Plants - Vegetables, Fruit, Flowers,trees, and Lawns - Without Toxic Chemicals. Pennsylvania (EUA): Rodale Preá, 1984.
MLA CitationYepsen, R.B. The Encyclopedia of Natural Insect Disease Control: The Most Comprehensive Guide to Protecting Plants - Vegetables, Fruit, Flowers,trees, and Lawns - Without Toxic Chemicals. Pennsylvania (EUA): Rodale Preá, 1984.
Warning: These citations may not always be 100% accurate.