Dyfyniad APA

Mortimer, C. E. (1986). Chemistry (6th edition.). National Book Store.

Dyfyniad Arddull Chicago

Mortimer, Charles E. Chemistry. 6th edition. Manila: National Book Store, 1986.

Dyfyniad MLA

Mortimer, Charles E. Chemistry. 6th edition. National Book Store, 1986.

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