APA
ROGER B GOODMAN & WILLIAM, . (1988). TOEFL: HOW TO PREPARE FOR THE TEST OF ENGLISH AS A FOREIGN LANGUAGE. : MC GRAW HILL.
Chicago
ROGER B GOODMAN & WILLIAM, . 1988. TOEFL: HOW TO PREPARE FOR THE TEST OF ENGLISH AS A FOREIGN LANGUAGE. : MC GRAW HILL.
Harvard
ROGER B GOODMAN & WILLIAM, . (1988). TOEFL: HOW TO PREPARE FOR THE TEST OF ENGLISH AS A FOREIGN LANGUAGE. : MC GRAW HILL.
MLA
ROGER B GOODMAN & WILLIAM, . TOEFL: HOW TO PREPARE FOR THE TEST OF ENGLISH AS A FOREIGN LANGUAGE. : MC GRAW HILL. 1988.