Vries, J. d. (1987). Neck and back problems: The spine and related disorders. Mainstream.
Citazione stile Chigago Style (17a edizione)Vries, Jan de. Neck and Back Problems: The Spine and Related Disorders. Edinburgh: Mainstream, 1987.
Citatione MLA (8a ed.)Vries, Jan de. Neck and Back Problems: The Spine and Related Disorders. Mainstream, 1987.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.