Hartley, K. (1997). Double Bass Solo: Bd.1 / selected and adapted by Keith Hartley. Oxford Univ. Press.
Citazione stile Chigago Style (17a edizione)Hartley, Keith. Double Bass Solo: Bd.1 / Selected and Adapted by Keith Hartley. Oxford [u.a.]: Oxford Univ. Press, 1997.
Citatione MLA (8a ed.)Hartley, Keith. Double Bass Solo: Bd.1 / Selected and Adapted by Keith Hartley. Oxford Univ. Press, 1997.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.