Bhumibol Adulyadej, K. o. T. (1990). Phrarātchadamrat, phrarātchathān k̄æ khana bukkhon tāng tāng nai ̀ōkāt wan Chal̄œm Phrachonphansā, WanČhan thī 4 Thanwākhom 2532 =: Royal speech, given to the audience of well-wishers on the occasion of the Royal Birthday Anniversary, on Monday, 4 December 1989 (Phim khrang r̄æk.). Khana Kammakān Prachāsamphan Singw̄ætl̨ōm.

Bhumibol Adulyadej, King of Thailand. Phrarātchadamrat, Phrarātchathān K̄æ Khana Bukkhon Tāng Tāng Nai ̀ōkāt Wan Chal̄œm Phrachonphansā, WanČhan Thī 4 Thanwākhom 2532 =: Royal Speech, Given to the Audience of Well-wishers on the Occasion of the Royal Birthday Anniversary, on Monday, 4 December 1989. Phim khrang r̄æk. [Krungthēp]: Khana Kammakān Prachāsamphan Singw̄ætl̨ōm, 1990.

Bhumibol Adulyadej, King of Thailand. Phrarātchadamrat, Phrarātchathān K̄æ Khana Bukkhon Tāng Tāng Nai ̀ōkāt Wan Chal̄œm Phrachonphansā, WanČhan Thī 4 Thanwākhom 2532 =: Royal Speech, Given to the Audience of Well-wishers on the Occasion of the Royal Birthday Anniversary, on Monday, 4 December 1989. Phim khrang r̄æk. Khana Kammakān Prachāsamphan Singw̄ætl̨ōm, 1990.