Hammersley Martyn Ethics in qualitative research Controversies and context - London Sage Publication UK 2012 - 175p. cm. ISBN: 9780857021410 (pbk) 2859.73 Standard No.: 278042 Source: 39195, 12/11/2013, Segment Book Distributors Textual Subjects--Topical Terms: PHILOSOPHY Dewey Class. No.: R4,(Sigma:f), Q2