Gaya APA

Foster, N, H., Beaumont, E, A. (1988). Traps and seals II Stratigraphic/capillary traps. (1988). : Oklahoma : AAPG,.

Gaya MLA

Foster, Norman, H.., Beaumont, Edward, A.. "Traps and seals II Stratigraphic/capillary traps.". 1988 : Oklahoma : AAPG,, 1988. Text.