Manalo, J. M. (1995). Towards competence in English grammar: Comprehensive and comprehensible. Communications Upgrade, International Inc.
Citazione stile Chigago Style (17a edizione)Manalo, Jose M. Towards Competence in English Grammar: Comprehensive and Comprehensible. Quezon City: Communications Upgrade, International Inc, 1995.
Citatione MLA (9a ed.)Manalo, Jose M. Towards Competence in English Grammar: Comprehensive and Comprehensible. Communications Upgrade, International Inc, 1995.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.