Ridder, H.-G. (2016) Case study research : approaches, methods, contribution to theory [book], Sozialwissenschaftliche Forschungsmethoden. München: Rainer Hampp Verlag.
Chicago Manual of Style 17th edition (full note)Ridder, Hans-Gerd. Case study research : approaches, methods, contribution to theory. Book. Sozialwissenschaftliche Forschungsmethoden. München: Rainer Hampp Verlag, [2016?], München: Rainer Hampp Verlag, [2016?].
American Psychological Association 7th editionRidder, H.-G. (ca. 2016). Case study research : approaches, methods, contribution to theory [Book]. In Sozialwissenschaftliche Forschungsmethoden. Rainer Hampp Verlag.
Modern Language Association 9th editionRidder, H.-G. „Case study research : approaches, methods, contribution to theory“. Sozialwissenschaftliche Forschungsmethoden, book, Rainer Hampp Verlag, 2016.
ISO-690 (author-date, Deutsch)RIDDER, Hans-Gerd, 2016. Case study research : approaches, methods, contribution to theory. München: Rainer Hampp Verlag. ISBN 9783957100757