APA
Walker P., . (2023). Modern Masonry: Building Techniques, Tools and Materials. : NY Research Press.
Chicago
Walker Patrick, . 2023. Modern Masonry: Building Techniques, Tools and Materials. : NY Research Press.
Harvard
Walker P., . (2023). Modern Masonry: Building Techniques, Tools and Materials. : NY Research Press.
MLA
Walker Patrick, . Modern Masonry: Building Techniques, Tools and Materials. : NY Research Press. 2023.