APA Format
Rothman, Kenneth J; Greenland, Sander . (). Modern... : Accuracy considerations in study design, ( ket. lihat bab. 9 ) ( halaman 135-145 ). : Philadelphia Lippincot - Raven Publ; 1998
MLA Format
Rothman, Kenneth J; Greenland, Sander . Modern... : Accuracy considerations in study design, ( ket. lihat bab. 9 ) ( halaman 135-145 ). : Philadelphia Lippincot - Raven Publ; 1998,
Australian/Harvard Format
Rothman, Kenneth J; Greenland, Sander . . Modern... : Accuracy considerations in study design, ( ket. lihat bab. 9 ) ( halaman 135-145 ). Philadelphia Lippincot - Raven Publ; 1998, 
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