Wolf, H. Cultural Approaches to Second Language Varieties of English: A Call for New Methodologies and a Review of Some Findings on (West) African English / Hans-Georg Wolf. Crossing borders : interdisciplinary approaches to Africa.(2004).
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিWolf, Hans-Georg. "Cultural Approaches to Second Language Varieties of English: A Call for New Methodologies and a Review of Some Findings on (West) African English / Hans-Georg Wolf." Crossing Borders : Interdisciplinary Approaches to Africa.(2004) .
M.L.A (8 ম সংস্করণ) উদ্ধৃতিWolf, Hans-Georg. "Cultural Approaches to Second Language Varieties of English: A Call for New Methodologies and a Review of Some Findings on (West) African English / Hans-Georg Wolf." Crossing Borders : Interdisciplinary Approaches to Africa.(2004), .