//=preg_replace('/[^a-z0-9]/', '', strtolower($formats[0]))?>//=$formats[0] ?>
English grammar : a generative perspective by: Haegeman, Liliane M. V., 1954-, et al. Published: (1999)
//=preg_replace('/[^a-z0-9]/', '', strtolower($formats[0]))?>//=$formats[0] ?>
Fundamentals of English grammar by: Azar, Betty Schrampfer, 1941- Published: (1992)
//=preg_replace('/[^a-z0-9]/', '', strtolower($formats[0]))?>//=$formats[0] ?>
Applied English grammar by: Byrd, Patricia Lynn, et al. Published: (2001)
//=preg_replace('/[^a-z0-9]/', '', strtolower($formats[0]))?>//=$formats[0] ?>
Introducing English grammar by: Börjars, Kersti, 1960-, et al. Published: (2019)