Yasuda, S. (1990). Bijinesu manā handobukku: Koredake wa shitte okitai (Dai 1 han dai 3 satsu.). PHP Kenkyūjo.
Chicago Style (17th ed.) CitationYasuda, Shigekazu. Bijinesu Manā Handobukku: Koredake Wa Shitte Okitai. Dai 1 han dai 3 satsu. Tōkyō: PHP Kenkyūjo, 1990.
MLA (9th ed.) CitationYasuda, Shigekazu. Bijinesu Manā Handobukku: Koredake Wa Shitte Okitai. Dai 1 han dai 3 satsu. PHP Kenkyūjo, 1990.
Warning: These citations may not always be 100% accurate.