Gaya APA
Kruif, Paul de. (1940).
Microbe Hunters .
New York:
Pocket Books, Inc..
Gaya Chicago
Kruif, Paul de.
Microbe Hunters.
New York:
Pocket Books, Inc.,
1940.
Text.
Gaya MLA
Kruif, Paul de.
Microbe Hunters.
New York:
Pocket Books, Inc.,
1940.
Text.
Gaya Turabian
Kruif, Paul de.
Microbe Hunters.
New York:
Pocket Books, Inc.,
1940.
Print.