APA Style
ENCYCLOPEDIA, . (1978).
THE ENCYCLOPEDIA OF SEDIMENTOLOGY (1).
United states of America:
DOWDEN ,HUTCHIN SO ROSS INC.
MLA Style
ENCYCLOPEDIA, .
"THE ENCYCLOPEDIA OF SEDIMENTOLOGY".
1
United states of America:
DOWDEN ,HUTCHIN SO ROSS INC,
1978.
المصادر المراجع.