Sexton, R. D. (1989). Travelling people in the United Kingdom.
Cita Chicago Style (17a ed.)Sexton, R. D. Travelling People in the United Kingdom. 1989.
Cita MLA (8a ed.)Sexton, R. D. Travelling People in the United Kingdom. 1989.
Precaución: Estas citas no son 100% exactas.