APA引文

Ellinger, E. P. (1970). Documentary letters of credit: A comparative study. University of Singapore Press.

Chicago Style (17th ed.) Citation

Ellinger, E. P. Documentary Letters of Credit: A Comparative Study. Singapore: University of Singapore Press, 1970.

MLA引文

Ellinger, E. P. Documentary Letters of Credit: A Comparative Study. University of Singapore Press, 1970.