- Traditional Chinese Character(HanT):
Y理論
- Simplified Chinese Character(HanS):
Y理论
- Bopomofo(Mandarin Phonetic Symbols): ㄨㄞ ㄌㄧˇ ㄌㄨㄣˋ (ㄨㄌㄌ)
- Bopomofo(Zhuyin Keyboard Input/IME): "j9 xu3xjp4" (j9xu3xjp4)
- (ASCII) Hanyu Pinyin: "waililun" "Wai1Li3Lun4" "Wai1 Li3 Lun4" (WLL)
- (Latin) Hànyǔ Pīnyīn: WāiLǐLùn [ Wāi Lǐ Lùn ]
- (英文翻譯) English Translation: "Theory Y"
- (西語翻譯) Traducción Español: "Teoría Y"
- (日文翻譯) 日本語翻訳: "理論Y"