Rombouts, a. (1991). Guidebook To Pecten Skell. Crawford House.
Cita Chicago Style (17a ed.)Rombouts, a. Guidebook To Pecten Skell. Crawford House, 1991.
Cita MLA (8a ed.)Rombouts, a. Guidebook To Pecten Skell. Crawford House, 1991.
Precaución: Estas citas no son 100% exactas.