tf.keras.layers.SimpleRNN, TensorFlow Developers, 2024 - Official documentation for the Keras SimpleRNN layer, detailing parameters and usage for TensorFlow implementations.
torch.nn.RNN, PyTorch Developers, 2024 (PyTorch Foundation) - Official documentation for the PyTorch RNN module, describing its constructor, inputs, outputs, and configurable options.
Deep Learning, Ian Goodfellow, Yoshua Bengio, and Aaron Courville, 2016 (MIT Press) - Chapter 10, 'Sequence Modeling: Recurrent and Recursive Networks,' offers a foundational theoretical understanding of RNN mechanics and Backpropagation Through Time.