APA
Lucas M. R. D., . (2010). Field study 1: The learner's development and environment. Philippines: Lorimar Publishing Co., Inc.
Chicago
Lucas Maria Rita D, . 2010. Field study 1: The learner's development and environment. Philippines: Lorimar Publishing Co., Inc.
Harvard
Lucas M. R. D., . (2010). Field study 1: The learner's development and environment. Philippines: Lorimar Publishing Co., Inc.
MLA
Lucas Maria Rita D, . Field study 1: The learner's development and environment. Philippines: Lorimar Publishing Co., Inc. 2010.