Cita APA (7th ed.)

Price, R., Field, H., & Roxas, D. A. (1993). Heaven knows: For piano , organ, accordion, guitar and other "C" instruments. Alpha Zeta.

Cita Chicago (17th ed.)

Price, Rick, H. Field, i Digna Agra Roxas. Heaven Knows: For Piano , Organ, Accordion, Guitar and Other "C" Instruments. Baguio City: Alpha Zeta, 1993.

Cita MLA (9th ed.)

Price, Rick, et al. Heaven Knows: For Piano , Organ, Accordion, Guitar and Other "C" Instruments. Alpha Zeta, 1993.