Gaya APA
Morris, S., Stanton, A. (1992).
Test yourself for proficiency (Ed.4).
Edinburg, Hongkong:
Thomas Nelson and Sons Ltd.
Gaya MLA
Morris, Susan., Stanton, Alan.
"Test yourself for proficiency".
Ed.4
Edinburg, Hongkong:
Thomas Nelson and Sons Ltd,
1992.
Text.