Four tones - Chinese Pronunciation Wiki

Mandarin Chinese - basic - the 4 tones (lesson 1)

International Phonetic Alphabet - Wikipedia

Tones ; Chinese RVW [4]

Is there a word in Chinese for the names of each tone in Mandarin, or are they just called 'first tone', 'second tone', etc? - Quora

Before Pinyin was invented, how did people learn the pronunciation of Chinese? - Quora

SixTONES - 素顔4 Six TONESの+

Chinese characters - Wikipedia

The 4 Tones in Chinese You Need to Master

Is there a word in Chinese for the names of each tone in Mandarin, or are they just called 'first tone', 'second tone', etc? - Quora

Mandarin Phonology – Corpus-based Mandarin Pronunciation Learning System

Standard Chinese phonology - Wikipedia

The Four Chinese Tones

Tone name - Wikipedia

What is Pinyin? - Answered - Twinkl Teaching Wiki - Twinkl