In Equatorial Guinea:Spanish & this
However, unlike the rest of the countries that make up the 
VeinteMundos,... [DOC] [TLE] The Languages spoken in Equatorial Guinea - StudyCountry.com [PAR] The Equatorial Guinea Republic has Spanish as its official language spoken by 
about 90% of its inhabitants, and French spoken by some 2.5% of the population
... [DOC] [TLE] The Spanish Language of Equatorial Guinea - JStor [PAR] Many people have never even heard of Equatorial Guinea, and few know that 
Spanish is the official language of a sub.