Gaya APA
Praptanto, E. (2005).
Everday Life Inventions Computers, Telephone, Clock, Refrigerator, Television, Water Closet .
Jakarta:
Pustaka Lebah.
Gaya MLA
Praptanto, Eko.
"Everday Life Inventions Computers, Telephone, Clock, Refrigerator, Television, Water Closet".
Jakarta:
Pustaka Lebah,
2005.
Text.