The Only EKG Book You'll Ever Need. Malcolm S Thaler. 2nd Edition 1995.J B Lippincott Company. Philadelphia
Understanding Electrocardiography. 7 Edition 1992. Mosby
Pocket Guide to Electrocardiography. Mary Boudreau Conover. 3rd 1994.Mosby- Year Book Inc.
The ECG Made Easy. JR Hampton. 4th Edition 1992. Churchil Livingstone
Rapid Interpretation of EKG's. Dale Dubin.4th Edition 1989.Cover Publishing Co. USA.
An Introduction to Electrocardiography. J Hamer. 2nd Edition 1978. Pitman Press, Great Britain.
ECG For Examination. P Sherwwood Burge and A I Morris.1976. Balding & Mansal Ltd, London.