Cita APA (7th ed.)

ebrary, Inc, & Bussell, I. S. (2009). Oil shale developments. Nova Science Publishers, Inc..

Cita Chicago (17th ed.)

ebrary, Inc, i Ike S. Bussell. Oil Shale Developments. New York: Nova Science Publishers, Inc., 2009.

Cita MLA (9th ed.)

ebrary, Inc, i Ike S. Bussell. Oil Shale Developments. Nova Science Publishers, Inc., 2009.