Twist, C. (1997). Macmillan Revised ENCYCLOPEDIA of SCIENCE Life And Earth 4. Macmillan Reference.
Čikaški stil citiranja (17. izdanje)Twist, Clint. Macmillan Revised ENCYCLOPEDIA of SCIENCE Life And Earth 4. Macmillan Reference, 1997.
MLA način citiranja (8. izdanje)Twist, Clint. Macmillan Revised ENCYCLOPEDIA of SCIENCE Life And Earth 4. Macmillan Reference, 1997.
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