Cita APA (7th ed.)

MANDAL, T. (1970). A text: -book of sound. science book agency.

Cita Chicago (17th ed.)

MANDAL, T.M. A Text: -book of Sound. Calcutta: science book agency, 1970.

Cita MLA (9th ed.)

MANDAL, T.M. A Text: -book of Sound. science book agency, 1970.