WordPress Child Theme Calling Images

I am using a child theme but it does not display any images. I am reading a book which suggests the following: “There is a difference in calling images from parent themes and child themes:

for parent Theme:

    <?php echo get template_directory_uri(); ?>  

for child Theme:

    <?php bloginfo('stylesheet_directory'); ?> 

Unfortunately the book doesn’t say where the relevant code should be inserted.
Any ideas please.

You could try the following if you have a child theme and trying to reference your images from that file location, onto your custom .php files…

<img src="https://wordpress.stackexchange.com/questions/226211/<?php echo get_stylesheet_directory_uri(); ?>/assets/images/your-custom-image.jpg" />

Just make sure in your child theme location, you really have a child folder structure of…

assets -> images