Gaya APA
Gunstream, Stanley. (2012).
Explorations in basic biology (12th ed.).
Singapore:
Pearson Education Int..
Gaya Chicago
Gunstream, Stanley.
Explorations in basic biology.
12th ed.
Singapore:
Pearson Education Int.,
2012.
Text.
Gaya MLA
Gunstream, Stanley.
Explorations in basic biology.
12th ed.
Singapore:
Pearson Education Int.,
2012.
Text.
Gaya Turabian
Gunstream, Stanley.
Explorations in basic biology.
12th ed.
Singapore:
Pearson Education Int.,
2012.
Print.