Harrison M. Mark. (1998). Proficiency Testbuilder 2 with Answer Key: More Tests that Teach. Oxford, Macmillan, 1998.
Chicago Style (17th ed.) CitationHarrison M. Mark. Proficiency Testbuilder 2 with Answer Key: More Tests That Teach. Oxford, Macmillan, 1998, 1998.
MLA (9th ed.) CitationHarrison M. Mark. Proficiency Testbuilder 2 with Answer Key: More Tests That Teach. Oxford, Macmillan, 1998, 1998.
Warning: These citations may not always be 100% accurate.