Purdom, P. W. (1964). ENVIRONMENTAL HEALTH—PRESENT AND FUTURE: APPLICATION AT THE LOCAL LEVEL.
Citação norma ChicagoPurdom, P. W. ENVIRONMENTAL HEALTH—PRESENT AND FUTURE: APPLICATION AT THE LOCAL LEVEL. 1964.
ציטוט MLAPurdom, P. W. ENVIRONMENTAL HEALTH—PRESENT AND FUTURE: APPLICATION AT THE LOCAL LEVEL. 1964.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.