Gaya APA
Kramer, Stephen. (2001).
Hidden worlds: looking through a scientist's microscope .
Boston:
Houghton Mifflin Company.
Gaya Chicago
Kramer, Stephen.
Hidden worlds: looking through a scientist's microscope.
Boston:
Houghton Mifflin Company,
2001.
Text.
Gaya MLA
Kramer, Stephen.
Hidden worlds: looking through a scientist's microscope.
Boston:
Houghton Mifflin Company,
2001.
Text.
Gaya Turabian
Kramer, Stephen.
Hidden worlds: looking through a scientist's microscope.
Boston:
Houghton Mifflin Company,
2001.
Print.