Gaya APA
Horton, E. (1988).
The marshall cavendish illustrated encyclopedio of family health - Volume 17 (Volume 17).
London:
Marshall Cavendish.
Gaya MLA
Horton, Edward.
"The marshall cavendish illustrated encyclopedio of family health - Volume 17".
Volume 17
London:
Marshall Cavendish,
1988.
Text.