Gaya APA
FAO, .
(1999).
Fao Yearbook Annuaire-anuario : Trade Commerce Comercio 1999
(
Volume 53)
.
Roma:
FAO.
Gaya MLA
FAO, .
"Fao Yearbook Annuaire-anuario : Trade Commerce Comercio 1999".
Volume 53
Roma:
FAO,
1999.
Text.