written and researched by Cristian Bonetto... [et al.] written & researched by Cristian Bonetto... [ea al.] written and researched by Austin Bush...[et al.] written and researched by Phillip Tang... [et al.] written and researched by Damian Harper... [et al.] this edition written and researched by Cristian Bonetto... [et al.] written and researched by Brett Atkinson... [et al.] written and researched by Alan Murphy... [et al.] written and researched by Cristian Bonetto, Paula Hardy written and researched by Regis St Louis ... [et al.]