APA

Hartley K., . (2008). Double bass solo techniques. England (etc.): Oxford University Press.

Chicago

Hartley Keith, . 2008. Double bass solo techniques. England (etc.): Oxford University Press.

Harvard

Hartley K., . (2008). Double bass solo techniques. England (etc.): Oxford University Press.

MLA

Hartley Keith, . Double bass solo techniques. England (etc.): Oxford University Press. 2008.