Gaya APA
Kelly, W, J. (1991).
Home Safe Home: How to Make Your Home Environmentally Safe (Cet. 1.--).
U. S. A.:
Avon Books.
Gaya MLA
Kelly, William, J..
"Home Safe Home: How to Make Your Home Environmentally Safe".
Cet. 1.--
U. S. A.:
Avon Books,
1991.
Text.