Gaya APA
Didactronia, s.a. (1975).
Junior English course guide to the course .
Itali:
Madrid [Didactronia].
Gaya Chicago
Didactronia, s.a.
Junior English course guide to the course.
Itali:
Madrid [Didactronia],
1975.
Text.
Gaya MLA
Didactronia, s.a.
Junior English course guide to the course.
Itali:
Madrid [Didactronia],
1975.
Text.
Gaya Turabian
Didactronia, s.a.
Junior English course guide to the course.
Itali:
Madrid [Didactronia],
1975.
Print.