↑ADVAXIS, INC., Form 10-K, Advaxis, 2013, COMMISSION FILE NUMBER 000-28489, diarsipkan dari asli tanggal 2016-01-15, diakses tanggal 16 March 2014; More than one of |accessdate= dan |access-date= specified (bantuan); More than one of |ID= dan |id= specified (bantuan)