Gaya APA
Raven, Peter H, Johnson, George B.. (1988).
Understanding biology .
ST. Louis:
Times Mirror .
Gaya Chicago
Raven, Peter H, Johnson, George B..
Understanding biology.
ST. Louis:
Times Mirror ,
1988.
Text.
Gaya MLA
Raven, Peter H, Johnson, George B..
Understanding biology.
ST. Louis:
Times Mirror ,
1988.
Text.
Gaya Turabian
Raven, Peter H, Johnson, George B..
Understanding biology.
ST. Louis:
Times Mirror ,
1988.
Print.