ebrary, Inc, Calef, S., & Lewis, D. (2009). Led Zeppelin and philosophy: All will be revealed. Open Court.
Citazione stile Chigago Style (17a edizione)ebrary, Inc, Scott Calef, e Dave Lewis. Led Zeppelin and Philosophy: All Will Be Revealed. Chicago: Open Court, 2009.
Citatione MLA (9a ed.)ebrary, Inc, et al. Led Zeppelin and Philosophy: All Will Be Revealed. Open Court, 2009.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.