Skousen K. F. (1987). An introduction to the SEC (4. edition, 2. printing.). South-Western Publishing Co.
Чикаго маягийн жагсаалтSkousen K. F. An Introduction to the SEC. 4. edition, 2. printing. Cincinnati, Ohio: South-Western Publishing Co, 1987.
MLA ишлэлSkousen K. F. An Introduction to the SEC. 4. edition, 2. printing. South-Western Publishing Co, 1987.
Warning: These citations may not always be 100% accurate.