Gerhard, C. Making Sense. Newark, Delaware: Intern. Reading Association, 1975 XI, 163 с. 0-87207-218-5.
Gerhard, C. Making Sense. Newark, Delaware: Intern. Reading Association, 1975 XI, 163 с. 0-87207-218-5.
Gerhard, C. (1975) Making Sense, Newark, Delaware: Intern. Reading Association XI, 163 с. 0-87207-218-5.
Gerhard, C. (1975). Making Sense. Reading Comprehension Improved through Categorizing. Newark, Delaware: Intern. Reading Association, XI, 163 с.
Gerhard C. Making Sense: Reading Comprehension Improved through Categorizing. Newark, Delaware: Intern. Reading Association; 1975. p. XI, 163 с. ISBN: 0-87207-218-5.