Shioji, Hiromi (1995). "'Itaku' Automotive Production: An Aspect of the Development of Full-Line and Wide-Selection Production by Toyota in the 1960s". Kyoto University Economic Review. 65 (1). Kyoto University: 26–27. ISSN0023-6055. JSTOR43217480.
トヨタ自動車販売(株)『モータリゼーションとともに. 資料』(1970.11) [Toyota Motor Sales Co., Ltd. "With Motorization" document (1970.11)]. Shibusawa Shashi Database (in Japanese). Shibusawa Eiichi Memorial Foundation. p. 129. Archived from the original on 2019-12-23.
トヨタ自動車販売(株)『モータリゼーションとともに. 資料』(1970.11) [Toyota Motor Sales Co., Ltd. "With Motorization" document (1970.11)]. Shibusawa Shashi Database (in Japanese). Shibusawa Eiichi Memorial Foundation. p. 129. Archived from the original on 2019-12-23.
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Shioji, Hiromi (1995). "'Itaku' Automotive Production: An Aspect of the Development of Full-Line and Wide-Selection Production by Toyota in the 1960s". Kyoto University Economic Review. 65 (1). Kyoto University: 26–27. ISSN0023-6055. JSTOR43217480.
Mazur, Eligiusz, ed. (2006). "World of Cars 2006·2007". World of Cars: Worldwide Car Catalogue. Warsaw, Poland: Media Connection Sp. z o.o.: 273. ISSN1734-2945.