APA (7. basım) Alıntı
(1991). Science year 1991: A review of science and technology during the 1990 school year. World Book, Inc.
Chicago Style (17. basım) Atıf
Science Year 1991: A Review of Science and Technology During the 1990 School Year. Chicago: World Book, Inc, 1991.
MLA (9th ed.) Atıf
Science Year 1991: A Review of Science and Technology During the 1990 School Year. World Book, Inc, 1991.
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