APA
BETTS (Irene Donahue), HOWELL (Carol Cosek), . (1984). Writing plan. N J: Prentice Hall.
Chicago
BETTS (Irene Donahue), HOWELL (Carol Cosek), . 1984. Writing plan. N J: Prentice Hall.
Harvard
BETTS (Irene Donahue), HOWELL (Carol Cosek), . (1984). Writing plan. N J: Prentice Hall.
MLA
BETTS (Irene Donahue), HOWELL (Carol Cosek), . Writing plan. N J: Prentice Hall. 1984.