Gaya APA
Kirkpatrick, B. (2002).
Vocabulary building. Workbook for secondary students (2002).
:
Singapore : Learners Publ. PTE.,.
Gaya MLA
Kirkpatrick, Betty.
"Vocabulary building. Workbook for secondary students".
2002
:
Singapore : Learners Publ. PTE.,,
2002.
Text.