Gaya APA
Keeley, Joseph C.. (1950).
Making inventions pay a practical guide to selling, protecting, manufacturing, and marketing your inventions Joseph C. Keeley .
New York:
McGraw-Hill Book Company.
Gaya Chicago
Keeley, Joseph C..
Making inventions pay a practical guide to selling, protecting, manufacturing, and marketing your inventions Joseph C. Keeley.
New York:
McGraw-Hill Book Company,
1950.
Text.
Gaya MLA
Keeley, Joseph C..
Making inventions pay a practical guide to selling, protecting, manufacturing, and marketing your inventions Joseph C. Keeley.
New York:
McGraw-Hill Book Company,
1950.
Text.
Gaya Turabian
Keeley, Joseph C..
Making inventions pay a practical guide to selling, protecting, manufacturing, and marketing your inventions Joseph C. Keeley.
New York:
McGraw-Hill Book Company,
1950.
Print.