APA
JOHN R. WALKER / JOSIELYN T. WALKER, .INTRODUCTION TO HOSPITALITY, 7TH EDITION. : PEARSON INDIA.
Chicago
JOHN R. WALKER / JOSIELYN T. WALKER, .INTRODUCTION TO HOSPITALITY, 7TH EDITION. : PEARSON INDIA.
Harvard
JOHN R. WALKER / JOSIELYN T. WALKER, .INTRODUCTION TO HOSPITALITY, 7TH EDITION. : PEARSON INDIA.
MLA
JOHN R. WALKER / JOSIELYN T. WALKER, .: PEARSON INDIA. .