APA Format
Sahni, Jytsna . (). Advancing... : Sleep disturbance. ( ket. lihat bab. 30 ) ( halaman 549-570 ). : New York: CRC press, 2013
MLA Format
Sahni, Jytsna . Advancing... : Sleep disturbance. ( ket. lihat bab. 30 ) ( halaman 549-570 ). : New York: CRC press, 2013,
Australian/Harvard Format
Sahni, Jytsna . . Advancing... : Sleep disturbance. ( ket. lihat bab. 30 ) ( halaman 549-570 ). New York: CRC press, 2013, 
Warning: These citations may not always be 100% accurate.