Gaya APA
Williams,linda. (2011).
Chemistry Demystified hard stuff made easy .
America:
The McGraw-Hill Companies.
Gaya Chicago
Williams,linda.
Chemistry Demystified hard stuff made easy.
America:
The McGraw-Hill Companies,
2011.
Text.
Gaya MLA
Williams,linda.
Chemistry Demystified hard stuff made easy.
America:
The McGraw-Hill Companies,
2011.
Text.
Gaya Turabian
Williams,linda.
Chemistry Demystified hard stuff made easy.
America:
The McGraw-Hill Companies,
2011.
Print.