APA Format
Machin, David; ( et al ) . (). Sample... : Phase II trials, ( Ket. lihat bab. 16 ) ( halaman 207-236 ). : London : Blackwell Science, 2009/ 1997
MLA Format
Machin, David; ( et al ) . Sample... : Phase II trials, ( Ket. lihat bab. 16 ) ( halaman 207-236 ). : London : Blackwell Science, 2009/ 1997,
Australian/Harvard Format
Machin, David; ( et al ) . . Sample... : Phase II trials, ( Ket. lihat bab. 16 ) ( halaman 207-236 ). London : Blackwell Science, 2009/ 1997, 
Warning: These citations may not always be 100% accurate.