ECKEL, P. J. (1985). College and university foodservice management standardsvol.6. Avi.
芝加哥风格引文ECKEL, Peter J. College and University Foodservice Management Standardsvol.6. Westport: Avi, 1985.
MLA引文ECKEL, Peter J. College and University Foodservice Management Standardsvol.6. Avi, 1985.
警告：这些引文格式不一定是100％准确.