Cita APA (7th ed.)

LEEB DONNA; LEEB STEPHEN. (2004). OIL FACTOR: PROTECT YOURSELF ......ENERGY CRISIS. WARNER BOOK.

Cita Chicago (17th ed.)

LEEB DONNA; LEEB STEPHEN. OIL FACTOR: PROTECT YOURSELF ......ENERGY CRISIS. NEW YORK: WARNER BOOK, 2004.

Cita MLA (9th ed.)

LEEB DONNA; LEEB STEPHEN. OIL FACTOR: PROTECT YOURSELF ......ENERGY CRISIS. WARNER BOOK, 2004.