Gaya APA
Sky, Marsen. (2013).
Professional Writing (Ed.3).
USA:
Palgrave Macmillan.
Gaya Chicago
Sky, Marsen.
Professional Writing.
Ed.3
USA:
Palgrave Macmillan,
2013.
Text.
Gaya MLA
Sky, Marsen.
Professional Writing.
Ed.3
USA:
Palgrave Macmillan,
2013.
Text.
Gaya Turabian
Sky, Marsen.
Professional Writing.
Ed.3
USA:
Palgrave Macmillan,
2013.
Print.