APA
ANON, . (1988). Kettle : 1988 membership directory of Raptor Research Foundation Inc.: FOR REFERENCE ONLY. USA: RAPTOR RESEARCH FOUNDATION.
Chicago
ANON, . 1988. Kettle : 1988 membership directory of Raptor Research Foundation Inc.: FOR REFERENCE ONLY. USA: RAPTOR RESEARCH FOUNDATION.
Harvard
ANON, . (1988). Kettle : 1988 membership directory of Raptor Research Foundation Inc.: FOR REFERENCE ONLY. USA: RAPTOR RESEARCH FOUNDATION.
MLA
ANON, . Kettle : 1988 membership directory of Raptor Research Foundation Inc.: FOR REFERENCE ONLY. USA: RAPTOR RESEARCH FOUNDATION. 1988.