Gaya APA
Lippincott, W, ,., Wilkins., . (2008).
E_BOOK Assessment made Incredibly Easy! (4).
Philadelphia:
Wolters Kluwer.
Gaya MLA
Lippincott, Williams, ,., Wilkins., .
"E_BOOK Assessment made Incredibly Easy!".
4
Philadelphia:
Wolters Kluwer,
2008.
Text.