Gaya APA
KRAMER, S., Cooper, C, L. (2001).
Hidden worlds : looking through a scientist's microscope / Stephen Kramer .
Boston:
Houghton Mifflin Company.
Gaya MLA
KRAMER, Stephen., Cooper, Cary, L..
"Hidden worlds : looking through a scientist's microscope / Stephen Kramer".
Boston:
Houghton Mifflin Company,
2001.
Text.