Step 1: Identify the Nikayas:
The five Nikayas (Digha, Majjhima, Samyutta, Anguttara and Khuddaka) together form the Sutta Pitaka, one of the three baskets of the Buddhist Pali Canon (Tripitaka).
Step 2: Place Majjhim Nikaya:
The Majjhim Nikaya ('Middle-length Discourses') records the Buddha's own sermons, making it a core Buddhist scripture.
Final Answer:
\[ \boxed{\text{Buddhists}} \]