Perfiljeva, J. WHAT ON EARTH IS AN SAP IDOC? ESPRESSO TUTORIALS.
芝加哥风格引文Perfiljeva, Jelena. WHAT ON EARTH IS AN SAP IDOC? [Place of publication not identified]: ESPRESSO TUTORIALS.
MLA引文Perfiljeva, Jelena. WHAT ON EARTH IS AN SAP IDOC? ESPRESSO TUTORIALS.
警告：这些引文格式不一定是100％准确.