APA (7. basım) Alıntı

HOWARD , J. (1997). I CAN READ ABOUT FOSSILS. TROLL ASSOCIATES.

Chicago Style (17. basım) Atıf

HOWARD , JOHN. I CAN READ ABOUT FOSSILS. USA: TROLL ASSOCIATES, 1997.

MLA (9th ed.) Atıf

HOWARD , JOHN. I CAN READ ABOUT FOSSILS. TROLL ASSOCIATES, 1997.