APA

Gunasekaran, . (2023). A Workbook of professional English - I. : Vishnu Prints Mediia.

Chicago

Gunasekaran, . 2023. A Workbook of professional English - I. : Vishnu Prints Mediia.

Harvard

Gunasekaran, . (2023). A Workbook of professional English - I. : Vishnu Prints Mediia.

MLA

Gunasekaran, . A Workbook of professional English - I. : Vishnu Prints Mediia. 2023.