APA

Willoughby D., . (1966). The word of musik. - Third edition. Boston; Massachusetts: McGraw-Hill, Inc.

Chicago

Willoughby David, . 1966. The word of musik. - Third edition. Boston; Massachusetts: McGraw-Hill, Inc.

Harvard

Willoughby D., . (1966). The word of musik. - Third edition. Boston; Massachusetts: McGraw-Hill, Inc.

MLA

Willoughby David, . The word of musik. - Third edition. Boston; Massachusetts: McGraw-Hill, Inc. 1966.