- Traditional Chinese Character(HanT):
一鳥在手理論
- Simplified Chinese Character(HanS):
一鸟在手理论
- Bopomofo(Mandarin Phonetic Symbols): ㄧ ㄋㄧㄠˇ ㄗㄞˋ ㄕㄡˇ ㄌㄧˇ ㄌㄨㄣˋ (ㄧㄋㄗㄕㄌㄌ)
- Bopomofo(Zhuyin Keyboard Input/IME): "u sul3y94g.3xu3xjp4" (usul3y94g.3xu3xjp4)
- (ASCII) Hanyu Pinyin: "yiniaozaishoulilun" "Yi1Niao3Zai4Shou3Li3Lun4" "Yi1 Niao3 Zai4 Shou3 Li3 Lun4" (YNZSLL)
- (Latin) Hànyǔ Pīnyīn: YīNiǎoZàiShǒuLǐLùn [ Yī Niǎo Zài Shǒu Lǐ Lùn ]
- (英文翻譯) English Translation: "a bird in hand theory"
- (西語翻譯) Traducción Español: "teoría del pájaro en mano"
- (日文翻譯) 日本語翻訳: "鳥を手に持つ理論"