- Traditional Chinese Character(HanT):
階段理論
- Simplified Chinese Character(HanS):
阶段理论
- Bopomofo(Mandarin Phonetic Symbols): ㄐㄧㄝ ㄉㄨㄢˋ ㄌㄧˇ ㄌㄨㄣˋ (ㄐㄉㄌㄌ)
- Bopomofo(Zhuyin Keyboard Input/IME): "ru, 2j04xu3xjp4" (ru,2j04xu3xjp4)
- (ASCII) Hanyu Pinyin: "jieduanlilun" "Jie1Duan4Li3Lun4" "Jie1 Duan4 Li3 Lun4" (JDLL)
- (Latin) Hànyǔ Pīnyīn: JiēDuànLǐLùn [ Jiē Duàn Lǐ Lùn ]
- (英文翻譯) English Translation: "stage theory"
- (西語翻譯) Traducción Español: "teoría de etapas"
- (日文翻譯) 日本語翻訳: "段階理論"