Patrick, P. S. V. (1978). Open and Positive: An account of how John Warburton came out at School and the consequences. Gay Teacher's Group.
Chicago-referens (17:e uppl.)Patrick, Paul S. Vetter. Open and Positive: An Account of How John Warburton Came Out at School and the Consequences. London: Gay Teacher's Group, 1978.
MLA-referens (8:e uppl.)Patrick, Paul S. Vetter. Open and Positive: An Account of How John Warburton Came Out at School and the Consequences. Gay Teacher's Group, 1978.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.