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.