Gaya APA
Blass, Laurie, Hartmann, Pamela. (2007).
Quest 1 listening and speaking (2).
Singapore:
McGraw-Hill, Inc.
Gaya Chicago
Blass, Laurie, Hartmann, Pamela.
Quest 1 listening and speaking.
2
Singapore:
McGraw-Hill, Inc,
2007.
Text.
Gaya MLA
Blass, Laurie, Hartmann, Pamela.
Quest 1 listening and speaking.
2
Singapore:
McGraw-Hill, Inc,
2007.
Text.
Gaya Turabian
Blass, Laurie, Hartmann, Pamela.
Quest 1 listening and speaking.
2
Singapore:
McGraw-Hill, Inc,
2007.
Print.