Laker, I. A., & Berktay, Y. The London Cigarette Card Company's trade card issues catalogue: Compiled by Ian A. Laker and Y Berktay. The London Cigarette Card Co., Ltd.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रLaker, Ian A., और Y. Berktay. The London Cigarette Card Company's Trade Card Issues Catalogue: Compiled by Ian A. Laker and Y Berktay. Somerton, Somerset: The London Cigarette Card Co., Ltd.
एमएलए (8वां संस्करण) प्रशस्ति पत्रLaker, Ian A., और Y. Berktay. The London Cigarette Card Company's Trade Card Issues Catalogue: Compiled by Ian A. Laker and Y Berktay. The London Cigarette Card Co., Ltd.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.