APA Style
Davy, Derek. ().
Linguaphone : advanceed english course .
London:
.
Chicago Style
Davy, Derek.
Linguaphone : advanceed english course.
London:
,
.
Text.
MLA Style
Davy, Derek.
Linguaphone : advanceed english course.
London:
,
.
Text.
Turabian Style
Davy, Derek.
Linguaphone : advanceed english course.
London:
,
.
Print.